22022438 has 8 divisors (see below), whose sum is σ = 33058200. Its totient is φ = 11003040.

The previous prime is 22022417. The next prime is 22022447. The reversal of 22022438 is 83422022.

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

It is a Curzon number.

It is a congruent 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, 158 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (4132275).

Almost surely, 2^22022438 is an apocalyptic number.

22022438 is a deficient number, since it is larger than the sum of its proper divisors (11035762).

22022438 is a wasteful number, since it uses less digits than its factorization.

22022438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22022438 is about 4692.8070490912. The cubic root of 22022438 is about 280.2991615443.

The spelling of 22022438 in words is "twenty-two million, twenty-two thousand, four hundred thirty-eight".