22190313 has 16 divisors (see below), whose sum is σ = 30263040. Its totient is φ = 14458704.

The previous prime is 22190297. The next prime is 22190351. The reversal of 22190313 is 31309122.

It is a happy number.

It is not a de Polignac number, because 22190313 - 2⁴ = 22190297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22190313.

It is not an unprimeable number, because it can be changed into a prime (22190383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49870 + ... + 50312.

It is an arithmetic number, because the mean of its divisors is an integer number (1891440).

Almost surely, 2^22190313 is an apocalyptic number.

It is an amenable number.

22190313 is a deficient number, since it is larger than the sum of its proper divisors (8072727).

22190313 is a wasteful number, since it uses less digits than its factorization.

22190313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 22190313 is about 4710.6595079670. The cubic root of 22190313 is about 281.0095909054.

Adding to 22190313 its reverse (31309122), we get a palindrome (53499435).

The spelling of 22190313 in words is "twenty-two million, one hundred ninety thousand, three hundred thirteen".