22535151 has 4 divisors (see below), whose sum is σ = 30046872. Its totient is φ = 15023432.

The previous prime is 22535143. The next prime is 22535179. The reversal of 22535151 is 15153522.

It is a happy number.

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 22535151 - 2³ = 22535143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22535111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755856 + ... + 3755861.

It is an arithmetic number, because the mean of its divisors is an integer number (7511718).

Almost surely, 2^22535151 is an apocalyptic number.

22535151 is a deficient number, since it is larger than the sum of its proper divisors (7511721).

22535151 is an equidigital number, since it uses as much as digits as its factorization.

22535151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511720.

The product of its digits is 1500, while the sum is 24.

The square root of 22535151 is about 4747.1202849728. The cubic root of 22535151 is about 282.4577470939.

Adding to 22535151 its reverse (15153522), we get a palindrome (37688673).

The spelling of 22535151 in words is "twenty-two million, five hundred thirty-five thousand, one hundred fifty-one".