22798455 has 16 divisors (see below), whose sum is σ = 36993024. Its totient is φ = 11987360.

The previous prime is 22798421. The next prime is 22798463. The reversal of 22798455 is 55489722.

It is not a de Polignac number, because 22798455 - 2¹⁹ = 22274167 is a prime.

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, 9639 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (2312064).

Almost surely, 2^22798455 is an apocalyptic number.

22798455 is a deficient number, since it is larger than the sum of its proper divisors (14194569).

22798455 is a wasteful number, since it uses less digits than its factorization.

22798455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21486.

The product of its digits is 201600, while the sum is 42.

The square root of 22798455 is about 4774.7727694624. The cubic root of 22798455 is about 283.5535826855.

The spelling of 22798455 in words is "twenty-two million, seven hundred ninety-eight thousand, four hundred fifty-five".