22290613 has 8 divisors (see below), whose sum is σ = 23283360. Its totient is φ = 21318480.

The previous prime is 22290607. The next prime is 22290617. The reversal of 22290613 is 31609222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22290613 - 2¹⁷ = 22159541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22290617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (2910420).

Almost surely, 2^22290613 is an apocalyptic number.

It is an amenable number.

22290613 is a deficient number, since it is larger than the sum of its proper divisors (992747).

22290613 is a wasteful number, since it uses less digits than its factorization.

22290613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22290613 is about 4721.2935727404. The cubic root of 22290613 is about 281.4323414780.

Adding to 22290613 its reverse (31609222), we get a palindrome (53899835).

The spelling of 22290613 in words is "twenty-two million, two hundred ninety thousand, six hundred thirteen".