22406637023 has 4 divisors (see below), whose sum is σ = 22407046008. Its totient is φ = 22406228040.

The previous prime is 22406636963. The next prime is 22406637037. The reversal of 22406637023 is 32073660422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22406637023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406037023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106736 + ... + 237077.

It is an arithmetic number, because the mean of its divisors is an integer number (5601761502).

Almost surely, 2^22406637023 is an apocalyptic number.

22406637023 is a deficient number, since it is larger than the sum of its proper divisors (408985).

22406637023 is an equidigital number, since it uses as much as digits as its factorization.

22406637023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408984.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 22406637023 in words is "twenty-two billion, four hundred six million, six hundred thirty-seven thousand, twenty-three".