22530151 has 36 divisors (see below), whose sum is σ = 29258328. Its totient is φ = 17273088.

The previous prime is 22530139. The next prime is 22530161. The reversal of 22530151 is 15103522.

It is a de Polignac number, because none of the positive numbers 2^k-22530151 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 (22530161) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 523936 + ... + 523978.

Almost surely, 2^22530151 is an apocalyptic number.

22530151 is a deficient number, since it is larger than the sum of its proper divisors (6728177).

22530151 is a wasteful number, since it uses less digits than its factorization.

22530151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22530151 is about 4746.5936206926. The cubic root of 22530151 is about 282.4368553886.

Adding to 22530151 its reverse (15103522), we get a palindrome (37633673).

The spelling of 22530151 in words is "twenty-two million, five hundred thirty thousand, one hundred fifty-one".