22662487 has 2 divisors, whose sum is σ = 22662488. Its totient is φ = 22662486.

The previous prime is 22662473. The next prime is 22662491. The reversal of 22662487 is 78426622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22662487 - 2⁷ = 22662359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22662587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11331243 + 11331244.

It is an arithmetic number, because the mean of its divisors is an integer number (11331244).

Almost surely, 2^22662487 is an apocalyptic number.

22662487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22662487 is an equidigital number, since it uses as much as digits as its factorization.

22662487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 22662487 is about 4760.5133126586. The cubic root of 22662487 is about 282.9887620555.

It can be divided in two parts, 2266 and 2487, that added together give a triangular number (4753 = T₉₇).

The spelling of 22662487 in words is "twenty-two million, six hundred sixty-two thousand, four hundred eighty-seven".