22475569 has 2 divisors, whose sum is σ = 22475570. Its totient is φ = 22475568.

The previous prime is 22475567. The next prime is 22475573. The reversal of 22475569 is 96557422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16160400 + 6315169 = 4020^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 22475569 - 2¹ = 22475567 is a prime.

It is a super-2 number, since 2×22475569² = 1010302403747522, which contains 22 as substring.

Together with 22475567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22475561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237784 + 11237785.

It is an arithmetic number, because the mean of its divisors is an integer number (11237785).

Almost surely, 2^22475569 is an apocalyptic number.

It is an amenable number.

22475569 is a deficient number, since it is larger than the sum of its proper divisors (1).

22475569 is an equidigital number, since it uses as much as digits as its factorization.

22475569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 22475569 is about 4740.8405372887. The cubic root of 22475569 is about 282.2085918757.

The spelling of 22475569 in words is "twenty-two million, four hundred seventy-five thousand, five hundred sixty-nine".