22200539 has 4 divisors (see below), whose sum is σ = 22230624. Its totient is φ = 22170456.

The previous prime is 22200527. The next prime is 22200547. The reversal of 22200539 is 93500222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93500222 = 2 ⋅46750111.

It is a cyclic number.

It is not a de Polignac number, because 22200539 - 2¹² = 22196443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200509) 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, 13907 + ... + 15420.

It is an arithmetic number, because the mean of its divisors is an integer number (5557656).

Almost surely, 2^22200539 is an apocalyptic number.

22200539 is a deficient number, since it is larger than the sum of its proper divisors (30085).

22200539 is an equidigital number, since it uses as much as digits as its factorization.

22200539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30084.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 22200539 is about 4711.7447935982. The cubic root of 22200539 is about 281.0527503203.

The spelling of 22200539 in words is "twenty-two million, two hundred thousand, five hundred thirty-nine".