22866594437945 has 16 divisors (see below), whose sum is σ = 27455545700352. Its totient is φ = 18282855147840.

The previous prime is 22866594437941. The next prime is 22866594437963. The reversal of 22866594437945 is 54973449566822.

It is not a de Polignac number, because 22866594437945 - 2² = 22866594437941 is a prime.

It is a super-2 number, since 2×22866594437945² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22866594437941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179390504 + ... + 179517926.

It is an arithmetic number, because the mean of its divisors is an integer number (1715971606272).

Almost surely, 2^{22866594437945} is an apocalyptic number.

It is an amenable number.

22866594437945 is a deficient number, since it is larger than the sum of its proper divisors (4588951262407).

22866594437945 is a wasteful number, since it uses less digits than its factorization.

22866594437945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147592.

The product of its digits is 3135283200, while the sum is 74.

The spelling of 22866594437945 in words is "twenty-two trillion, eight hundred sixty-six billion, five hundred ninety-four million, four hundred thirty-seven thousand, nine hundred forty-five".