22142338 has 16 divisors (see below), whose sum is σ = 33718464. Its totient is φ = 10904400.

The previous prime is 22142333. The next prime is 22142359. The reversal of 22142338 is 83324122.

It is not an unprimeable number, because it can be changed into a prime (22142333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47181 + ... + 47647.

It is an arithmetic number, because the mean of its divisors is an integer number (2107404).

Almost surely, 2^22142338 is an apocalyptic number.

22142338 is a deficient number, since it is larger than the sum of its proper divisors (11576126).

22142338 is a wasteful number, since it uses less digits than its factorization.

22142338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its digits is 2304, while the sum is 25.

The square root of 22142338 is about 4705.5645782414. The cubic root of 22142338 is about 280.8069324701.

The spelling of 22142338 in words is "twenty-two million, one hundred forty-two thousand, three hundred thirty-eight".