22828715 has 32 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 14302080.

The previous prime is 22828711. The next prime is 22828763. The reversal of 22828715 is 51782822.

22828715 = 746² + 747² + ... + 784².

It is not a de Polignac number, because 22828715 - 2² = 22828711 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (22828711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59414 + ... + 59796.

It is an arithmetic number, because the mean of its divisors is an integer number (1064448).

Almost surely, 2^22828715 is an apocalyptic number.

22828715 is a deficient number, since it is larger than the sum of its proper divisors (11233621).

22828715 is a wasteful number, since it uses less digits than its factorization.

22828715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its digits is 17920, while the sum is 35.

The square root of 22828715 is about 4777.9404558868. The cubic root of 22828715 is about 283.6789791657.

The spelling of 22828715 in words is "twenty-two million, eight hundred twenty-eight thousand, seven hundred fifteen".