22657465 has 8 divisors (see below), whose sum is σ = 27221760. Its totient is φ = 18104112.

The previous prime is 22657463. The next prime is 22657477. The reversal of 22657465 is 56475622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22657465 - 2¹ = 22657463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22657463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (3402720).

Almost surely, 2^22657465 is an apocalyptic number.

It is an amenable number.

22657465 is a deficient number, since it is larger than the sum of its proper divisors (4564295).

22657465 is a wasteful number, since it uses less digits than its factorization.

22657465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its digits is 100800, while the sum is 37.

The square root of 22657465 is about 4759.9858193066. The cubic root of 22657465 is about 282.9678571043.

It can be divided in two parts, 2265 and 7465, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 22657465 in words is "twenty-two million, six hundred fifty-seven thousand, four hundred sixty-five".