22290038 has 16 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 10706976.

The previous prime is 22290031. The next prime is 22290053. The reversal of 22290038 is 83009222.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 22289989 and 22290016.

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 7 ways as a sum of consecutive naturals, for example, 12320 + ... + 14012.

It is an arithmetic number, because the mean of its divisors is an integer number (2172555).

Almost surely, 2^22290038 is an apocalyptic number.

22290038 is a deficient number, since it is larger than the sum of its proper divisors (12470842).

22290038 is a wasteful number, since it uses less digits than its factorization.

22290038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22290038 is about 4721.2326780196. The cubic root of 22290038 is about 281.4299215507.

It can be divided in two parts, 22 and 290038, that multiplied together give a palindrome (6380836).

The spelling of 22290038 in words is "twenty-two million, two hundred ninety thousand, thirty-eight".