22842838 has 16 divisors (see below), whose sum is σ = 35319024. Its totient is φ = 11072160.

The previous prime is 22842823. The next prime is 22842839. The reversal of 22842838 is 83824822.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 22842797 and 22842806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22842839) 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, 34228 + ... + 34888.

It is an arithmetic number, because the mean of its divisors is an integer number (2207439).

Almost surely, 2^22842838 is an apocalyptic number.

22842838 is a deficient number, since it is larger than the sum of its proper divisors (12476186).

22842838 is a wasteful number, since it uses less digits than its factorization.

22842838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 49152, while the sum is 37.

The square root of 22842838 is about 4779.4181654256. The cubic root of 22842838 is about 283.7374665038.

The spelling of 22842838 in words is "twenty-two million, eight hundred forty-two thousand, eight hundred thirty-eight".