22401021055 has 48 divisors (see below), whose sum is σ = 31564684800. Its totient is φ = 15216683328.

The previous prime is 22401021031. The next prime is 22401021067. The reversal of 22401021055 is 55012010422.

It is not a de Polignac number, because 22401021055 - 2²⁵ = 22367466623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12821692 + ... + 12823438.

It is an arithmetic number, because the mean of its divisors is an integer number (657597600).

Almost surely, 2^22401021055 is an apocalyptic number.

22401021055 is a deficient number, since it is larger than the sum of its proper divisors (9163663745).

22401021055 is a wasteful number, since it uses less digits than its factorization.

22401021055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22401021055 its reverse (55012010422), we get a palindrome (77413031477).

The spelling of 22401021055 in words is "twenty-two billion, four hundred one million, twenty-one thousand, fifty-five".