22151400554 has 16 divisors (see below), whose sum is σ = 35758387656. Its totient is φ = 10253299200.

The previous prime is 22151400541. The next prime is 22151400587. The reversal of 22151400554 is 45500415122.

It can be written as a sum of positive squares in 4 ways, for example, as 20256974929 + 1894425625 = 142327^2 + 43525^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5338187 + ... + 5342334.

Almost surely, 2^22151400554 is an apocalyptic number.

22151400554 is a deficient number, since it is larger than the sum of its proper divisors (13606987102).

22151400554 is a wasteful number, since it uses less digits than its factorization.

22151400554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680601.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 22151400554 its reverse (45500415122), we get a palindrome (67651815676).

The spelling of 22151400554 in words is "twenty-two billion, one hundred fifty-one million, four hundred thousand, five hundred fifty-four".