22834157 has 4 divisors (see below), whose sum is σ = 22934976. Its totient is φ = 22733340.

The previous prime is 22834153. The next prime is 22834159. The reversal of 22834157 is 75143822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22834157 - 2² = 22834153 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 (22834153) 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, 50069 + ... + 50522.

It is an arithmetic number, because the mean of its divisors is an integer number (5733744).

Almost surely, 2^22834157 is an apocalyptic number.

It is an amenable number.

22834157 is a deficient number, since it is larger than the sum of its proper divisors (100819).

22834157 is a wasteful number, since it uses less digits than its factorization.

22834157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100818.

The product of its digits is 13440, while the sum is 32.

The square root of 22834157 is about 4778.5099141887. The cubic root of 22834157 is about 283.7015188830.

Adding to 22834157 its reverse (75143822), we get a palindrome (97977979).

The spelling of 22834157 in words is "twenty-two million, eight hundred thirty-four thousand, one hundred fifty-seven".