22890539 has 8 divisors (see below), whose sum is σ = 26420448. Its totient is φ = 19425600.

The previous prime is 22890529. The next prime is 22890563. The reversal of 22890539 is 93509822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22890539 - 2¹⁶ = 22825003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22890529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15482 + ... + 16895.

It is an arithmetic number, because the mean of its divisors is an integer number (3302556).

Almost surely, 2^22890539 is an apocalyptic number.

22890539 is a deficient number, since it is larger than the sum of its proper divisors (3529909).

22890539 is a wasteful number, since it uses less digits than its factorization.

22890539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32485.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 22890539 is about 4784.4058147277. The cubic root of 22890539 is about 283.9348318039.

The spelling of 22890539 in words is "twenty-two million, eight hundred ninety thousand, five hundred thirty-nine".