22074789 has 48 divisors (see below), whose sum is σ = 36210240. Its totient is φ = 11819520.

The previous prime is 22074739. The next prime is 22074839. The reversal of 22074789 is 98747022.

It is an interprime number because it is at equal distance from previous prime (22074739) and next prime (22074839).

It is a de Polignac number, because none of the positive numbers 2^k-22074789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202467 + ... + 202575.

It is an arithmetic number, because the mean of its divisors is an integer number (754380).

Almost surely, 2^22074789 is an apocalyptic number.

It is an amenable number.

22074789 is a deficient number, since it is larger than the sum of its proper divisors (14135451).

22074789 is a wasteful number, since it uses less digits than its factorization.

22074789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 22074789 is about 4698.3815298462. The cubic root of 22074789 is about 280.5210916998.

It can be divided in two parts, 2207 and 4789, that added together give a palindrome (6996).

The spelling of 22074789 in words is "twenty-two million, seventy-four thousand, seven hundred eighty-nine".