22290484 has 6 divisors (see below), whose sum is σ = 39008354. Its totient is φ = 11145240.

The previous prime is 22290481. The next prime is 22290491. The reversal of 22290484 is 48409222.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 9474084 = 3580^2 + 3078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22290481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786307 + ... + 2786314.

Almost surely, 2^22290484 is an apocalyptic number.

It is an amenable number.

22290484 is a deficient number, since it is larger than the sum of its proper divisors (16717870).

22290484 is a wasteful number, since it uses less digits than its factorization.

22290484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572625 (or 5572623 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22290484 is about 4721.2799112105. The cubic root of 22290484 is about 281.4317985762.

The spelling of 22290484 in words is "twenty-two million, two hundred ninety thousand, four hundred eighty-four".