22656071492 has 6 divisors (see below), whose sum is σ = 39648125118. Its totient is φ = 11328035744.

The previous prime is 22656071467. The next prime is 22656071497. The reversal of 22656071492 is 29417065622.

It can be written as a sum of positive squares in only one way, i.e., 13612822276 + 9043249216 = 116674^2 + 95096^2 .

It is not an unprimeable number, because it can be changed into a prime (22656071497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832008933 + ... + 2832008940.

It is an arithmetic number, because the mean of its divisors is an integer number (6608020853).

Almost surely, 2^22656071492 is an apocalyptic number.

It is an amenable number.

22656071492 is a deficient number, since it is larger than the sum of its proper divisors (16992053626).

22656071492 is a wasteful number, since it uses less digits than its factorization.

22656071492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664017877 (or 5664017875 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 22656071492 in words is "twenty-two billion, six hundred fifty-six million, seventy-one thousand, four hundred ninety-two".