22523350641 has 16 divisors (see below), whose sum is σ = 32867966208. Its totient is φ = 13606045200.

The previous prime is 22523350637. The next prime is 22523350649. The reversal of 22523350641 is 14605332522.

It is a happy number.

It is not a de Polignac number, because 22523350641 - 2² = 22523350637 is a prime.

It is a super-2 number, since 2×22523350641² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22523350649) 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, 1101475 + ... + 1121736.

It is an arithmetic number, because the mean of its divisors is an integer number (2054247888).

Almost surely, 2^22523350641 is an apocalyptic number.

It is an amenable number.

22523350641 is a deficient number, since it is larger than the sum of its proper divisors (10344615567).

22523350641 is a wasteful number, since it uses less digits than its factorization.

22523350641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223532.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 22523350641 in words is "twenty-two billion, five hundred twenty-three million, three hundred fifty thousand, six hundred forty-one".