22446163426 has 4 divisors (see below), whose sum is σ = 33669245142. Its totient is φ = 11223081712.

The previous prime is 22446163417. The next prime is 22446163457. The reversal of 22446163426 is 62436164422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62436164422 = 2 ⋅31218082211.

It can be written as a sum of positive squares in only one way, i.e., 14616568201 + 7829595225 = 120899^2 + 88485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611540855 + ... + 5611540858.

Almost surely, 2^22446163426 is an apocalyptic number.

22446163426 is a deficient number, since it is larger than the sum of its proper divisors (11223081716).

22446163426 is a wasteful number, since it uses less digits than its factorization.

22446163426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223081715.

The product of its digits is 331776, while the sum is 40.

The spelling of 22446163426 in words is "twenty-two billion, four hundred forty-six million, one hundred sixty-three thousand, four hundred twenty-six".