22466401442644 has 12 divisors (see below), whose sum is σ = 39705471857268. Its totient is φ = 11121980912000.

The previous prime is 22466401442479. The next prime is 22466401442657. The reversal of 22466401442644 is 44624410466422.

It can be written as a sum of positive squares in 2 ways, for example, as 17264124720144 + 5202276722500 = 4155012^2 + 2280850^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27804951877 + ... + 27804952684.

It is an arithmetic number, because the mean of its divisors is an integer number (3308789321439).

Almost surely, 2^{22466401442644} is an apocalyptic number.

It is an amenable number.

22466401442644 is a deficient number, since it is larger than the sum of its proper divisors (17239070414624).

22466401442644 is a wasteful number, since it uses less digits than its factorization.

22466401442644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55609904666 (or 55609904664 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 49.

The spelling of 22466401442644 in words is "twenty-two trillion, four hundred sixty-six billion, four hundred one million, four hundred forty-two thousand, six hundred forty-four".