22739085 has 12 divisors (see below), whose sum is σ = 39414492. Its totient is φ = 12127488.

The previous prime is 22739083. The next prime is 22739107. The reversal of 22739085 is 58093722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 17065161 = 2382^2 + 4131^2 .

It is not a de Polignac number, because 22739085 - 2¹ = 22739083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22739083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252612 + ... + 252701.

It is an arithmetic number, because the mean of its divisors is an integer number (3284541).

Almost surely, 2^22739085 is an apocalyptic number.

It is an amenable number.

22739085 is a deficient number, since it is larger than the sum of its proper divisors (16675407).

22739085 is a wasteful number, since it uses less digits than its factorization.

22739085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505324 (or 505321 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22739085 is about 4768.5516669110. The cubic root of 22739085 is about 283.3072325053.

It can be divided in two parts, 227390 and 85, that added together give a triangular number (227475 = T₆₇₄).

The spelling of 22739085 in words is "twenty-two million, seven hundred thirty-nine thousand, eighty-five".