22210439 has 4 divisors (see below), whose sum is σ = 22357680. Its totient is φ = 22063200.

The previous prime is 22210427. The next prime is 22210451. The reversal of 22210439 is 93401222.

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

It is an interprime number because it is at equal distance from previous prime (22210427) and next prime (22210451).

It is a cyclic number.

It is not a de Polignac number, because 22210439 - 2²⁴ = 5433223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210459) 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, 73394 + ... + 73695.

It is an arithmetic number, because the mean of its divisors is an integer number (5589420).

Almost surely, 2^22210439 is an apocalyptic number.

22210439 is a deficient number, since it is larger than the sum of its proper divisors (147241).

22210439 is a wasteful number, since it uses less digits than its factorization.

22210439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147240.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22210439 is about 4712.7952427408. The cubic root of 22210439 is about 281.0945212091.

The spelling of 22210439 in words is "twenty-two million, two hundred ten thousand, four hundred thirty-nine".