22010490 has 24 divisors (see below), whose sum is σ = 57227508. Its totient is φ = 5869440.

The previous prime is 22010477. The next prime is 22010503. The reversal of 22010490 is 9401022.

It is an interprime number because it is at equal distance from previous prime (22010477) and next prime (22010503).

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 136161 = 4677^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122191 + ... + 122370.

Almost surely, 2^22010490 is an apocalyptic number.

22010490 is an abundant number, since it is smaller than the sum of its proper divisors (35217018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22010490 is a wasteful number, since it uses less digits than its factorization.

22010490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244574 (or 244571 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22010490 is about 4691.5338643135. The cubic root of 22010490 is about 280.2484614323.

It can be divided in two parts, 22010 and 490, that added together give a square (22500 = 150²).

The spelling of 22010490 in words is "twenty-two million, ten thousand, four hundred ninety".