153222431320 has 128 divisors (see below), whose sum is σ = 417268454400. Its totient is φ = 49499214336.

The previous prime is 153222431249. The next prime is 153222431333. The reversal of 153222431320 is 23134222351.

It is a happy number.

It is a super-2 number, since 2×153222431320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253926 + ... + 609034.

It is an arithmetic number, because the mean of its divisors is an integer number (3259909800).

Almost surely, 2^153222431320 is an apocalyptic number.

153222431320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153222431320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208634227200).

153222431320 is an abundant number, since it is smaller than the sum of its proper divisors (264046023080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153222431320 is a wasteful number, since it uses less digits than its factorization.

153222431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355217 (or 355213 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 153222431320 its reverse (23134222351), we get a palindrome (176356653671).

The spelling of 153222431320 in words is "one hundred fifty-three billion, two hundred twenty-two million, four hundred thirty-one thousand, three hundred twenty".