22239370 has 8 divisors (see below), whose sum is σ = 40030884. Its totient is φ = 8895744.

The previous prime is 22239361. The next prime is 22239391. The reversal of 22239370 is 7393222.

It can be written as a sum of positive squares in 2 ways, for example, as 22155849 + 83521 = 4707^2 + 289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1111959 + ... + 1111978.

Almost surely, 2^22239370 is an apocalyptic number.

22239370 is a deficient number, since it is larger than the sum of its proper divisors (17791514).

22239370 is a wasteful number, since it uses less digits than its factorization.

22239370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223944.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 22239370 is about 4715.8636536694. The cubic root of 22239370 is about 281.2165181542.

The spelling of 22239370 in words is "twenty-two million, two hundred thirty-nine thousand, three hundred seventy".