22342200321 has 16 divisors (see below), whose sum is σ = 34095567744. Its totient is φ = 12748105344.

The previous prime is 22342200317. The next prime is 22342200341. The reversal of 22342200321 is 12300224322.

It is not a de Polignac number, because 22342200321 - 2² = 22342200317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22342200311) 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, 771540 + ... + 799973.

It is an arithmetic number, because the mean of its divisors is an integer number (2130972984).

Almost surely, 2^22342200321 is an apocalyptic number.

22342200321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22342200321 is a deficient number, since it is larger than the sum of its proper divisors (11753367423).

22342200321 is a wasteful number, since it uses less digits than its factorization.

22342200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572200.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22342200321 its reverse (12300224322), we get a palindrome (34642424643).

The spelling of 22342200321 in words is "twenty-two billion, three hundred forty-two million, two hundred thousand, three hundred twenty-one".