22162004451 has 12 divisors (see below), whose sum is σ = 32013345000. Its totient is φ = 14773949280.

The previous prime is 22162004437. The next prime is 22162004461. The reversal of 22162004451 is 15440026122.

22162004451 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 200 + 4 + 451 = 666.

It is not a de Polignac number, because 22162004451 - 2⁵ = 22162004419 is a prime.

It is a super-2 number, since 2×22162004451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22162004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189336 + ... + 283146.

It is an arithmetic number, because the mean of its divisors is an integer number (2667778750).

Almost surely, 2^22162004451 is an apocalyptic number.

22162004451 is a deficient number, since it is larger than the sum of its proper divisors (9851340549).

22162004451 is a wasteful number, since it uses less digits than its factorization.

22162004451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120066 (or 120063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 22162004451 in words is "twenty-two billion, one hundred sixty-two million, four thousand, four hundred fifty-one".