22268142 has 32 divisors (see below), whose sum is σ = 53292960. Its totient is φ = 6851520.

The previous prime is 22268131. The next prime is 22268167. The reversal of 22268142 is 24186222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15159 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (1665405).

Almost surely, 2^22268142 is an apocalyptic number.

22268142 is an abundant number, since it is smaller than the sum of its proper divisors (31024818).

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

22268142 is a wasteful number, since it uses less digits than its factorization.

22268142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31745 (or 31739 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 22268142 is about 4718.9132223426. The cubic root of 22268142 is about 281.3377397367.

The spelling of 22268142 in words is "twenty-two million, two hundred sixty-eight thousand, one hundred forty-two".