249822055 has 32 divisors (see below), whose sum is σ = 364258944. Its totient is φ = 160567296.

The previous prime is 249822047. The next prime is 249822077. The reversal of 249822055 is 550228942.

It is a cyclic number.

It is not a de Polignac number, because 249822055 - 2³ = 249822047 is a prime.

It is a super-2 number, since 2×249822055² = 124822118328846050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173619 + ... + 175051.

It is an arithmetic number, because the mean of its divisors is an integer number (11383092).

Almost surely, 2^249822055 is an apocalyptic number.

249822055 is a deficient number, since it is larger than the sum of its proper divisors (114436889).

249822055 is a wasteful number, since it uses less digits than its factorization.

249822055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 249822055 is about 15805.7601841860. The cubic root of 249822055 is about 629.8110250373.

The spelling of 249822055 in words is "two hundred forty-nine million, eight hundred twenty-two thousand, fifty-five".