22641424646 has 16 divisors (see below), whose sum is σ = 34432944144. Its totient is φ = 11163826944.

The previous prime is 22641424643. The next prime is 22641424657. The reversal of 22641424646 is 64642414622.

It is a super-2 number, since 2×22641424646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641424643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597925 + ... + 1612031.

It is an arithmetic number, because the mean of its divisors is an integer number (2152059009).

Almost surely, 2^22641424646 is an apocalyptic number.

22641424646 is a deficient number, since it is larger than the sum of its proper divisors (11791519498).

22641424646 is a wasteful number, since it uses less digits than its factorization.

22641424646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25175.

The product of its digits is 442368, while the sum is 41.

The spelling of 22641424646 in words is "twenty-two billion, six hundred forty-one million, four hundred twenty-four thousand, six hundred forty-six".