22552442040 has 64 divisors (see below), whose sum is σ = 67667801760. Its totient is φ = 6013053440.

The previous prime is 22552442023. The next prime is 22552442047. The reversal of 22552442040 is 4024425522.

It is a super-2 number, since 2×22552442040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22552441989 and 22552442007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552442047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151530 + ... + 1170950.

Almost surely, 2^22552442040 is an apocalyptic number.

22552442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22552442040 is an abundant number, since it is smaller than the sum of its proper divisors (45115359720).

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

22552442040 is a wasteful number, since it uses less digits than its factorization.

22552442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29112 (or 29108 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 22552442040 its reverse (4024425522), we get a palindrome (26576867562).

The spelling of 22552442040 in words is "twenty-two billion, five hundred fifty-two million, four hundred forty-two thousand, forty".