22442258 has 8 divisors (see below), whose sum is σ = 33990528. Its totient is φ = 11112084.

The previous prime is 22442257. The next prime is 22442269. The reversal of 22442258 is 85224422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22442258.

It is not an unprimeable number, because it can be changed into a prime (22442257) by changing a digit.

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, 54266 + ... + 54677.

It is an arithmetic number, because the mean of its divisors is an integer number (4248816).

Almost surely, 2^22442258 is an apocalyptic number.

22442258 is a deficient number, since it is larger than the sum of its proper divisors (11548270).

22442258 is a wasteful number, since it uses less digits than its factorization.

22442258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109048.

The product of its digits is 10240, while the sum is 29.

The square root of 22442258 is about 4737.3260390224. The cubic root of 22442258 is about 282.0691026603.

The spelling of 22442258 in words is "twenty-two million, four hundred forty-two thousand, two hundred fifty-eight".