22150290 has 32 divisors (see below), whose sum is σ = 54167616. Its totient is φ = 5794880.

The previous prime is 22150279. The next prime is 22150307. The reversal of 22150290 is 9205122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (1692738).

Almost surely, 2^22150290 is an apocalyptic number.

22150290 is an abundant number, since it is smaller than the sum of its proper divisors (32017326).

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

22150290 is a wasteful number, since it uses less digits than its factorization.

22150290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 22150290 is about 4706.4094594500. The cubic root of 22150290 is about 280.8405439383.

The spelling of 22150290 in words is "twenty-two million, one hundred fifty thousand, two hundred ninety".