22606156744 has 8 divisors (see below), whose sum is σ = 42386543910. Its totient is φ = 11303078368.

The previous prime is 22606156723. The next prime is 22606156787. The reversal of 22606156744 is 44765160622.

It can be written as a sum of positive squares in only one way, i.e., 22421468644 + 184688100 = 149738^2 + 13590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22606156744² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22606156744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412884789 + ... + 1412884804.

Almost surely, 2^22606156744 is an apocalyptic number.

It is an amenable number.

22606156744 is a deficient number, since it is larger than the sum of its proper divisors (19780387166).

22606156744 is a wasteful number, since it uses less digits than its factorization.

22606156744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825769599 (or 2825769595 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 22606156744 in words is "twenty-two billion, six hundred six million, one hundred fifty-six thousand, seven hundred forty-four".