22614157 has 2 divisors, whose sum is σ = 22614158. Its totient is φ = 22614156.

The previous prime is 22614149. The next prime is 22614187. The reversal of 22614157 is 75141622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22410756 + 203401 = 4734^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 22614157 - 2³ = 22614149 is a prime.

It is a super-2 number, since 2×22614157² = 1022800193641298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22614107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11307078 + 11307079.

It is an arithmetic number, because the mean of its divisors is an integer number (11307079).

Almost surely, 2^22614157 is an apocalyptic number.

It is an amenable number.

22614157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22614157 is an equidigital number, since it uses as much as digits as its factorization.

22614157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 22614157 is about 4755.4344701615. The cubic root of 22614157 is about 282.7874516871.

Adding to 22614157 its reverse (75141622), we get a palindrome (97755779).

The spelling of 22614157 in words is "twenty-two million, six hundred fourteen thousand, one hundred fifty-seven".