22142328 has 32 divisors (see below), whose sum is σ = 59614800. Its totient is φ = 6812928.

The previous prime is 22142327. The next prime is 22142333. The reversal of 22142328 is 82324122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22142298 and 22142307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142327) 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, 35173 + ... + 35796.

Almost surely, 2^22142328 is an apocalyptic number.

It is an amenable number.

22142328 is an abundant number, since it is smaller than the sum of its proper divisors (37472472).

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

22142328 is a wasteful number, since it uses less digits than its factorization.

22142328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70991 (or 70987 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 22142328 is about 4705.5635156695. The cubic root of 22142328 is about 280.8068901971.

The spelling of 22142328 in words is "twenty-two million, one hundred forty-two thousand, three hundred twenty-eight".