22313490 has 32 divisors (see below), whose sum is σ = 55282176. Its totient is φ = 5758080.

The previous prime is 22313453. The next prime is 22313491. The reversal of 22313490 is 9431322.

It is a super-3 number, since 3×22313490³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22313490.

It is not an unprimeable number, because it can be changed into a prime (22313491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11067 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (1727568).

Almost surely, 2^22313490 is an apocalyptic number.

22313490 is an abundant number, since it is smaller than the sum of its proper divisors (32968686).

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

22313490 is a wasteful number, since it uses less digits than its factorization.

22313490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24034.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 22313490 is about 4723.7156984730. The cubic root of 22313490 is about 281.5285871692.

The spelling of 22313490 in words is "twenty-two million, three hundred thirteen thousand, four hundred ninety".