32222142 has 24 divisors (see below), whose sum is σ = 71000280. Its totient is φ = 10558320.

The previous prime is 32222137. The next prime is 32222147. The reversal of 32222142 is 24122223.

It is an interprime number because it is at equal distance from previous prime (32222137) and next prime (32222147).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14109 + ... + 16232.

It is an arithmetic number, because the mean of its divisors is an integer number (2958345).

Almost surely, 2^32222142 is an apocalyptic number.

32222142 is an abundant number, since it is smaller than the sum of its proper divisors (38778138).

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

32222142 is a wasteful number, since it uses less digits than its factorization.

32222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30408 (or 30405 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 32222142 is about 5676.4550557544. The cubic root of 32222142 is about 318.2131595646.

Adding to 32222142 its reverse (24122223), we get a palindrome (56344365).

The spelling of 32222142 in words is "thirty-two million, two hundred twenty-two thousand, one hundred forty-two".