22551553406 has 8 divisors (see below), whose sum is σ = 35298083664. Its totient is φ = 10785525520.

The previous prime is 22551553369. The next prime is 22551553459. The reversal of 22551553406 is 60435515522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22551553406² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22551553406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245125535 + ... + 245125626.

It is an arithmetic number, because the mean of its divisors is an integer number (4412260458).

Almost surely, 2^22551553406 is an apocalyptic number.

22551553406 is a deficient number, since it is larger than the sum of its proper divisors (12746530258).

22551553406 is a wasteful number, since it uses less digits than its factorization.

22551553406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490251186.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 22551553406 in words is "twenty-two billion, five hundred fifty-one million, five hundred fifty-three thousand, four hundred six".