2215025154 has 12 divisors (see below), whose sum is σ = 4799221206. Its totient is φ = 738341712.

The previous prime is 2215025119. The next prime is 2215025207. The reversal of 2215025154 is 4515205122.

2215025154 is a `hidden beast` number, since 2 + 2 + 1 + 502 + 5 + 154 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1117096929 + 1097928225 = 33423^2 + 33135^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61528459 + ... + 61528494.

Almost surely, 2^2215025154 is an apocalyptic number.

2215025154 is an abundant number, since it is smaller than the sum of its proper divisors (2584196052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215025154 is a wasteful number, since it uses less digits than its factorization.

2215025154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123056961 (or 123056958 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2215025154 is about 47064.0537353084. The cubic root of 2215025154 is about 1303.5455783113.

The spelling of 2215025154 in words is "two billion, two hundred fifteen million, twenty-five thousand, one hundred fifty-four".