22016445631441 has 4 divisors (see below), whose sum is σ = 22018089031092. Its totient is φ = 22014802231792.

The previous prime is 22016445631399. The next prime is 22016445631493. The reversal of 22016445631441 is 14413654461022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2079291900625 + 19937153730816 = 1441975^2 + 4465104^2 .

It is a cyclic number.

It is not a de Polignac number, because 22016445631441 - 2²⁹ = 22015908760529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22016445631241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821679730 + ... + 821706523.

It is an arithmetic number, because the mean of its divisors is an integer number (5504522257773).

Almost surely, 2^{22016445631441} is an apocalyptic number.

It is an amenable number.

22016445631441 is a deficient number, since it is larger than the sum of its proper divisors (1643399651).

22016445631441 is a wasteful number, since it uses less digits than its factorization.

22016445631441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643399650.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 22016445631441 in words is "twenty-two trillion, sixteen billion, four hundred forty-five million, six hundred thirty-one thousand, four hundred forty-one".