22110142 has 4 divisors (see below), whose sum is σ = 33165216. Its totient is φ = 11055070.

The previous prime is 22110139. The next prime is 22110157. The reversal of 22110142 is 24101122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24101122 = 2 ⋅12050561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527534 + ... + 5527537.

It is an arithmetic number, because the mean of its divisors is an integer number (8291304).

Almost surely, 2^22110142 is an apocalyptic number.

22110142 is a deficient number, since it is larger than the sum of its proper divisors (11055074).

22110142 is a wasteful number, since it uses less digits than its factorization.

22110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055073.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22110142 is about 4702.1422777283. The cubic root of 22110142 is about 280.6707642918.

Adding to 22110142 its reverse (24101122), we get a palindrome (46211264).

The spelling of 22110142 in words is "twenty-two million, one hundred ten thousand, one hundred forty-two".