22399162 has 4 divisors (see below), whose sum is σ = 33598746. Its totient is φ = 11199580.

The previous prime is 22399159. The next prime is 22399163. The reversal of 22399162 is 26199322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 35721 = 4729^2 + 189^2 .

It is not an unprimeable number, because it can be changed into a prime (22399163) 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 as a sum of consecutive naturals, namely, 5599789 + ... + 5599792.

Almost surely, 2^22399162 is an apocalyptic number.

22399162 is a deficient number, since it is larger than the sum of its proper divisors (11199584).

22399162 is a wasteful number, since it uses less digits than its factorization.

22399162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199583.

The product of its digits is 11664, while the sum is 34.

The square root of 22399162 is about 4732.7752957435. The cubic root of 22399162 is about 281.8884339790. Note that the first 3 decimals are identical.

The spelling of 22399162 in words is "twenty-two million, three hundred ninety-nine thousand, one hundred sixty-two".