22077142 has 8 divisors (see below), whose sum is σ = 33222456. Its totient is φ = 11002992.

The previous prime is 22077127. The next prime is 22077161. The reversal of 22077142 is 24177022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17008 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (4152807).

Almost surely, 2^22077142 is an apocalyptic number.

22077142 is a deficient number, since it is larger than the sum of its proper divisors (11145314).

22077142 is a wasteful number, since it uses less digits than its factorization.

22077142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35582.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 22077142 is about 4698.6319285511. The cubic root of 22077142 is about 280.5310584644.

The spelling of 22077142 in words is "twenty-two million, seventy-seven thousand, one hundred forty-two".