22468788 has 18 divisors (see below), whose sum is σ = 56796194. Its totient is φ = 7489584.

The previous prime is 22468777. The next prime is 22468799. The reversal of 22468788 is 88786422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22468777) and next prime (22468799).

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 9809424 = 3558^2 + 3132^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 312031 + ... + 312102.

Almost surely, 2^22468788 is an apocalyptic number.

It is an amenable number.

22468788 is an abundant number, since it is smaller than the sum of its proper divisors (34327406).

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

22468788 is a wasteful number, since it uses less digits than its factorization.

22468788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624143 (or 624138 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 22468788 is about 4740.1253147992. The cubic root of 22468788 is about 282.1802077379.

The spelling of 22468788 in words is "twenty-two million, four hundred sixty-eight thousand, seven hundred eighty-eight".