22752487 has 2 divisors, whose sum is σ = 22752488. Its totient is φ = 22752486.

The previous prime is 22752469. The next prime is 22752491. The reversal of 22752487 is 78425722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22752487 - 2¹¹ = 22750439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22752427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11376243 + 11376244.

It is an arithmetic number, because the mean of its divisors is an integer number (11376244).

Almost surely, 2^22752487 is an apocalyptic number.

22752487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22752487 is an equidigital number, since it uses as much as digits as its factorization.

22752487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 37.

The square root of 22752487 is about 4769.9567083989. The cubic root of 22752487 is about 283.3628802712.

The spelling of 22752487 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred eighty-seven".