22766993442 has 24 divisors (see below), whose sum is σ = 50259214044. Its totient is φ = 7445808864.

The previous prime is 22766993423. The next prime is 22766993467. The reversal of 22766993442 is 24439966722.

It can be written as a sum of positive squares in 2 ways, for example, as 20146679721 + 2620313721 = 141939^2 + 51189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11931433 + ... + 11933340.

Almost surely, 2^22766993442 is an apocalyptic number.

22766993442 is an abundant number, since it is smaller than the sum of its proper divisors (27492220602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22766993442 is a wasteful number, since it uses less digits than its factorization.

22766993442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864834 (or 23864831 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 22766993442 in words is "twenty-two billion, seven hundred sixty-six million, nine hundred ninety-three thousand, four hundred forty-two".