22264442 has 4 divisors (see below), whose sum is σ = 33396666. Its totient is φ = 11132220.

The previous prime is 22264439. The next prime is 22264457. The reversal of 22264442 is 24446222.

It is a happy number.

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., 19545241 + 2719201 = 4421^2 + 1649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566109 + ... + 5566112.

Almost surely, 2^22264442 is an apocalyptic number.

22264442 is a deficient number, since it is larger than the sum of its proper divisors (11132224).

22264442 is a wasteful number, since it uses less digits than its factorization.

22264442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11132223.

The product of its digits is 6144, while the sum is 26.

The square root of 22264442 is about 4718.5211666369. The cubic root of 22264442 is about 281.3221568276.

The spelling of 22264442 in words is "twenty-two million, two hundred sixty-four thousand, four hundred forty-two".