22290485 has 16 divisors (see below), whose sum is σ = 32368896. Its totient is φ = 14385408.

The previous prime is 22290481. The next prime is 22290491. The reversal of 22290485 is 58409222.

It is a cyclic number.

It is not a de Polignac number, because 22290485 - 2² = 22290481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22290481) 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, 18137 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (2023056).

Almost surely, 2^22290485 is an apocalyptic number.

It is an amenable number.

22290485 is a deficient number, since it is larger than the sum of its proper divisors (10078411).

22290485 is a wasteful number, since it uses less digits than its factorization.

22290485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37492.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22290485 is about 4721.2800171140. The cubic root of 22290485 is about 281.4318027848.

The spelling of 22290485 in words is "twenty-two million, two hundred ninety thousand, four hundred eighty-five".