22553206405 has 16 divisors (see below), whose sum is σ = 27763667568. Its totient is φ = 17577280000.

The previous prime is 22553206399. The next prime is 22553206499. The reversal of 22553206405 is 50460235522.

It can be written as a sum of positive squares in 8 ways, for example, as 550230849 + 22002975556 = 23457^2 + 148334^2 .

It is not a de Polignac number, because 22553206405 - 2¹¹ = 22553204357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65235 + ... + 222175.

It is an arithmetic number, because the mean of its divisors is an integer number (1735229223).

Almost surely, 2^22553206405 is an apocalyptic number.

It is an amenable number.

22553206405 is a deficient number, since it is larger than the sum of its proper divisors (5210461163).

22553206405 is a wasteful number, since it uses less digits than its factorization.

22553206405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157688.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 22553206405 in words is "twenty-two billion, five hundred fifty-three million, two hundred six thousand, four hundred five".