22665151 has 2 divisors, whose sum is σ = 22665152. Its totient is φ = 22665150.

The previous prime is 22665121. The next prime is 22665163. The reversal of 22665151 is 15156622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22665151 - 2¹⁷ = 22534079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22665101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332575 + 11332576.

It is an arithmetic number, because the mean of its divisors is an integer number (11332576).

Almost surely, 2^22665151 is an apocalyptic number.

22665151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22665151 is an equidigital number, since it uses as much as digits as its factorization.

22665151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 22665151 is about 4760.7931061956. The cubic root of 22665151 is about 282.9998501666. Note that the first 3 decimals are identical.

The spelling of 22665151 in words is "twenty-two million, six hundred sixty-five thousand, one hundred fifty-one".