22702749 has 16 divisors (see below), whose sum is σ = 30942720. Its totient is φ = 14802480.

The previous prime is 22702733. The next prime is 22702751. The reversal of 22702749 is 94720722.

It is not a de Polignac number, because 22702749 - 2⁴ = 22702733 is a prime.

It is a super-3 number, since 3×22702749³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22702759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35664 + ... + 36294.

It is an arithmetic number, because the mean of its divisors is an integer number (1933920).

Almost surely, 2^22702749 is an apocalyptic number.

It is an amenable number.

22702749 is a deficient number, since it is larger than the sum of its proper divisors (8239971).

22702749 is a wasteful number, since it uses less digits than its factorization.

22702749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 22702749 is about 4764.7401817938. The cubic root of 22702749 is about 283.1562481287.

The spelling of 22702749 in words is "twenty-two million, seven hundred two thousand, seven hundred forty-nine".