22290037 has 16 divisors (see below), whose sum is σ = 28006272. Its totient is φ = 17233920.

The previous prime is 22290031. The next prime is 22290053. The reversal of 22290037 is 73009222.

It is not a de Polignac number, because 22290037 - 2⁷ = 22289909 is a prime.

It is a super-2 number, since 2×22290037² = 993691498922738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22289993 and 22290020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22290031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (1750392).

Almost surely, 2^22290037 is an apocalyptic number.

It is an amenable number.

22290037 is a deficient number, since it is larger than the sum of its proper divisors (5716235).

22290037 is a wasteful number, since it uses less digits than its factorization.

22290037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 22290037 is about 4721.2325721150. The cubic root of 22290037 is about 281.4299173421.

Adding to 22290037 its reverse (73009222), we get a palindrome (95299259).

The spelling of 22290037 in words is "twenty-two million, two hundred ninety thousand, thirty-seven".