22405156616144 has 20 divisors (see below), whose sum is σ = 43439867100996. Its totient is φ = 11194868332032.

The previous prime is 22405156616093. The next prime is 22405156616159. The reversal of 22405156616144 is 44161665150422.

It can be written as a sum of positive squares in 2 ways, for example, as 9968164417600 + 12436992198544 = 3157240^2 + 3526612^2 .

It is a super-2 number, since 2×22405156616144² (a number of 28 digits) contains 22 as substring.

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, 481849529 + ... + 481896024.

Almost surely, 2^{22405156616144} is an apocalyptic number.

It is an amenable number.

22405156616144 is a deficient number, since it is larger than the sum of its proper divisors (21034710484852).

22405156616144 is a wasteful number, since it uses less digits than its factorization.

22405156616144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963747014 (or 963747008 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 22405156616144 in words is "twenty-two trillion, four hundred five billion, one hundred fifty-six million, six hundred sixteen thousand, one hundred forty-four".