90922155 has 16 divisors (see below), whose sum is σ = 146292480. Its totient is φ = 48219488.

The previous prime is 90922067. The next prime is 90922187. The reversal of 90922155 is 55122909.

It is a cyclic number.

It is not a de Polignac number, because 90922155 - 2¹¹ = 90920107 is a prime.

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, 14247 + ... + 19616.

It is an arithmetic number, because the mean of its divisors is an integer number (9143280).

Almost surely, 2^90922155 is an apocalyptic number.

90922155 is a deficient number, since it is larger than the sum of its proper divisors (55370325).

90922155 is a wasteful number, since it uses less digits than its factorization.

90922155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34050.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 90922155 is about 9535.3109545520. The cubic root of 90922155 is about 449.6658507030.

The spelling of 90922155 in words is "ninety million, nine hundred twenty-two thousand, one hundred fifty-five".