22057238 has 8 divisors (see below), whose sum is σ = 37812432. Its totient is φ = 9453096.

The previous prime is 22057229. The next prime is 22057267. The reversal of 22057238 is 83275022.

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 22057238.

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, 787745 + ... + 787772.

It is an arithmetic number, because the mean of its divisors is an integer number (4726554).

Almost surely, 2^22057238 is an apocalyptic number.

22057238 is a deficient number, since it is larger than the sum of its proper divisors (15755194).

22057238 is a wasteful number, since it uses less digits than its factorization.

22057238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575526.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22057238 is about 4696.5133876100. The cubic root of 22057238 is about 280.4467273638.

The spelling of 22057238 in words is "twenty-two million, fifty-seven thousand, two hundred thirty-eight".