22430072 has 32 divisors (see below), whose sum is σ = 50893920. Its totient is φ = 9047040.

The previous prime is 22430069. The next prime is 22430099. The reversal of 22430072 is 27003422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10829 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (1590435).

Almost surely, 2^22430072 is an apocalyptic number.

It is an amenable number.

22430072 is an abundant number, since it is smaller than the sum of its proper divisors (28463848).

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

22430072 is a wasteful number, since it uses less digits than its factorization.

22430072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23591 (or 23587 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22430072 is about 4736.0396957796. The cubic root of 22430072 is about 282.0180395213.

Adding to 22430072 its reverse (27003422), we get a palindrome (49433494).

The spelling of 22430072 in words is "twenty-two million, four hundred thirty thousand, seventy-two".