22057967 has 4 divisors (see below), whose sum is σ = 22154520. Its totient is φ = 21961416.

The previous prime is 22057963. The next prime is 22057969. The reversal of 22057967 is 76975022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22057967 - 2² = 22057963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22057967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47933 + ... + 48390.

It is an arithmetic number, because the mean of its divisors is an integer number (5538630).

Almost surely, 2^22057967 is an apocalyptic number.

22057967 is a deficient number, since it is larger than the sum of its proper divisors (96553).

22057967 is an equidigital number, since it uses as much as digits as its factorization.

22057967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96552.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 22057967 is about 4696.5909977344. The cubic root of 22057967 is about 280.4498169530.

The spelling of 22057967 in words is "twenty-two million, fifty-seven thousand, nine hundred sixty-seven".