22294090 has 32 divisors (see below), whose sum is σ = 49392000. Its totient is φ = 7055424.

The previous prime is 22294057. The next prime is 22294099. The reversal of 22294090 is 9049222.

It is a happy number.

It is a super-5 number, since 5×22294090⁵ (a number of 38 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (22294099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11340 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^22294090 is an apocalyptic number.

22294090 is an abundant number, since it is smaller than the sum of its proper divisors (27097910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22294090 is a wasteful number, since it uses less digits than its factorization.

22294090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24526.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22294090 is about 4721.6617837367. The cubic root of 22294090 is about 281.4469737865.

The spelling of 22294090 in words is "twenty-two million, two hundred ninety-four thousand, ninety".