22624662442 has 8 divisors (see below), whose sum is σ = 34069044996. Its totient is φ = 11268314112.

The previous prime is 22624662427. The next prime is 22624662461. The reversal of 22624662442 is 24426642622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13199941881 + 9424720561 = 114891^2 + 97081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22624662442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22624662395 and 22624662404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22007913 + ... + 22008940.

Almost surely, 2^22624662442 is an apocalyptic number.

22624662442 is a deficient number, since it is larger than the sum of its proper divisors (11444382554).

22624662442 is a wasteful number, since it uses less digits than its factorization.

22624662442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44017112.

The product of its digits is 442368, while the sum is 40.

The spelling of 22624662442 in words is "twenty-two billion, six hundred twenty-four million, six hundred sixty-two thousand, four hundred forty-two".