22257969 has 8 divisors (see below), whose sum is σ = 30634752. Its totient is φ = 14359920.

The previous prime is 22257967. The next prime is 22257971. The reversal of 22257969 is 96975222.

It is an interprime number because it is at equal distance from previous prime (22257967) and next prime (22257971).

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

It is not a de Polignac number, because 22257969 - 2¹ = 22257967 is a prime.

It is a super-2 number, since 2×22257969² = 990834368009922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22257969.

It is not an unprimeable number, because it can be changed into a prime (22257967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119574 + ... + 119759.

It is an arithmetic number, because the mean of its divisors is an integer number (3829344).

Almost surely, 2^22257969 is an apocalyptic number.

It is an amenable number.

22257969 is a deficient number, since it is larger than the sum of its proper divisors (8376783).

22257969 is a wasteful number, since it uses less digits than its factorization.

22257969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239367.

The product of its digits is 136080, while the sum is 42.

The square root of 22257969 is about 4717.8352027174. The cubic root of 22257969 is about 281.2948910073.

The spelling of 22257969 in words is "twenty-two million, two hundred fifty-seven thousand, nine hundred sixty-nine".