22861001667536 has 10 divisors (see below), whose sum is σ = 44293190730882. Its totient is φ = 11430500833760.

The previous prime is 22861001667533. The next prime is 22861001667547. The reversal of 22861001667536 is 63576610016822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21125458907536 + 1735542760000 = 4596244^2 + 1317400^2 .

It is a super-2 number, since 2×22861001667536² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22861001667533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714406302095 + ... + 714406302126.

Almost surely, 2^{22861001667536} is an apocalyptic number.

It is an amenable number.

22861001667536 is a deficient number, since it is larger than the sum of its proper divisors (21432189063346).

22861001667536 is a wasteful number, since it uses less digits than its factorization.

22861001667536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428812604229 (or 1428812604223 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 22861001667536 in words is "twenty-two trillion, eight hundred sixty-one billion, one million, six hundred sixty-seven thousand, five hundred thirty-six".