22325399 has 4 divisors (see below), whose sum is σ = 23500440. Its totient is φ = 21150360.

The previous prime is 22325327. The next prime is 22325431. The reversal of 22325399 is 99352322.

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 22325399 - 2¹⁶ = 22259863 is a prime.

It is a super-3 number, since 3×22325399³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22325309) 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, 587492 + ... + 587529.

It is an arithmetic number, because the mean of its divisors is an integer number (5875110).

Almost surely, 2^22325399 is an apocalyptic number.

22325399 is a deficient number, since it is larger than the sum of its proper divisors (1175041).

22325399 is a wasteful number, since it uses less digits than its factorization.

22325399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175040.

The product of its digits is 29160, while the sum is 35.

The square root of 22325399 is about 4724.9760845956. The cubic root of 22325399 is about 281.5786634184.

The spelling of 22325399 in words is "twenty-two million, three hundred twenty-five thousand, three hundred ninety-nine".