22259442 has 8 divisors (see below), whose sum is σ = 44518896. Its totient is φ = 7419812.

The previous prime is 22259429. The next prime is 22259513. The reversal of 22259442 is 24495222.

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

22259442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854948 + ... + 1854959.

It is an arithmetic number, because the mean of its divisors is an integer number (5564862).

Almost surely, 2^22259442 is an apocalyptic number.

22259442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22259442 is a wasteful number, since it uses less digits than its factorization.

22259442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709912.

The product of its digits is 11520, while the sum is 30.

The square root of 22259442 is about 4717.9913098691. The cubic root of 22259442 is about 281.3010960993.

The spelling of 22259442 in words is "twenty-two million, two hundred fifty-nine thousand, four hundred forty-two".