22426785562 has 4 divisors (see below), whose sum is σ = 33640178346. Its totient is φ = 11213392780.

The previous prime is 22426785539. The next prime is 22426785599. The reversal of 22426785562 is 26558762422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26558762422 = 2 ⋅13279381211.

It can be written as a sum of positive squares in only one way, i.e., 22192358841 + 234426721 = 148971^2 + 15311^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606696389 + ... + 5606696392.

Almost surely, 2^22426785562 is an apocalyptic number.

22426785562 is a deficient number, since it is larger than the sum of its proper divisors (11213392784).

22426785562 is a wasteful number, since it uses less digits than its factorization.

22426785562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213392783.

The product of its digits is 3225600, while the sum is 49.

The spelling of 22426785562 in words is "twenty-two billion, four hundred twenty-six million, seven hundred eighty-five thousand, five hundred sixty-two".