22912151 has 4 divisors (see below), whose sum is σ = 22981704. Its totient is φ = 22842600.

The previous prime is 22912147. The next prime is 22912181. The reversal of 22912151 is 15121922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22912151 - 2² = 22912147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22912121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34280 + ... + 34941.

It is an arithmetic number, because the mean of its divisors is an integer number (5745426).

Almost surely, 2^22912151 is an apocalyptic number.

22912151 is a deficient number, since it is larger than the sum of its proper divisors (69553).

22912151 is an equidigital number, since it uses as much as digits as its factorization.

22912151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69552.

The product of its digits is 360, while the sum is 23.

The square root of 22912151 is about 4786.6638695442. The cubic root of 22912151 is about 284.0241622966.

The spelling of 22912151 in words is "twenty-two million, nine hundred twelve thousand, one hundred fifty-one".