22041490 has 8 divisors (see below), whose sum is σ = 39674700. Its totient is φ = 8816592.

The previous prime is 22041457. The next prime is 22041497. The reversal of 22041490 is 9414022.

It can be written as a sum of positive squares in 2 ways, for example, as 20802721 + 1238769 = 4561^2 + 1113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22041497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102065 + ... + 1102084.

Almost surely, 2^22041490 is an apocalyptic number.

22041490 is a deficient number, since it is larger than the sum of its proper divisors (17633210).

22041490 is a wasteful number, since it uses less digits than its factorization.

22041490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204156.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22041490 is about 4694.8365253755. The cubic root of 22041490 is about 280.3799688309.

The spelling of 22041490 in words is "twenty-two million, forty-one thousand, four hundred ninety".