22325947 has 16 divisors (see below), whose sum is σ = 27205632. Its totient is φ = 17884800.

The previous prime is 22325909. The next prime is 22325957. The reversal of 22325947 is 74952322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22325947 - 2⁷ = 22325819 is a prime.

It is a super-3 number, since 3×22325947³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22325957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18822 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (1700352).

Almost surely, 2^22325947 is an apocalyptic number.

22325947 is a deficient number, since it is larger than the sum of its proper divisors (4879685).

22325947 is a wasteful number, since it uses less digits than its factorization.

22325947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its digits is 30240, while the sum is 34.

The square root of 22325947 is about 4725.0340739512. The cubic root of 22325947 is about 281.5809672794.

The spelling of 22325947 in words is "twenty-two million, three hundred twenty-five thousand, nine hundred forty-seven".