22515055451 has 16 divisors (see below), whose sum is σ = 26774820864. Its totient is φ = 18531618144.

The previous prime is 22515055411. The next prime is 22515055457. The reversal of 22515055451 is 15455051522.

It is a cyclic number.

It is not a de Polignac number, because 22515055451 - 2¹⁰ = 22515054427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22515055457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628175 + ... + 663048.

It is an arithmetic number, because the mean of its divisors is an integer number (1673426304).

Almost surely, 2^22515055451 is an apocalyptic number.

22515055451 is a deficient number, since it is larger than the sum of its proper divisors (4259765413).

22515055451 is a wasteful number, since it uses less digits than its factorization.

22515055451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291330.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 22515055451 in words is "twenty-two billion, five hundred fifteen million, fifty-five thousand, four hundred fifty-one".