22322142 has 20 divisors (see below), whose sum is σ = 50018496. Its totient is φ = 7440660.

The previous prime is 22322129. The next prime is 22322171. The reversal of 22322142 is 24122322.

It is a super-3 number, since 3×22322142³ (a number of 23 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68734 + ... + 69057.

Almost surely, 2^22322142 is an apocalyptic number.

22322142 is an abundant number, since it is smaller than the sum of its proper divisors (27696354).

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

22322142 is a wasteful number, since it uses less digits than its factorization.

22322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137805 (or 137796 counting only the distinct ones).

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

The square root of 22322142 is about 4724.6314141952. The cubic root of 22322142 is about 281.5649698026.

Adding to 22322142 its reverse (24122322), we get a palindrome (46444464).

The spelling of 22322142 in words is "twenty-two million, three hundred twenty-two thousand, one hundred forty-two".