22677142 has 4 divisors (see below), whose sum is σ = 34015716. Its totient is φ = 11338570.

The previous prime is 22677139. The next prime is 22677143. The reversal of 22677142 is 24177622.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22677143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669284 + ... + 5669287.

It is an arithmetic number, because the mean of its divisors is an integer number (8503929).

Almost surely, 2^22677142 is an apocalyptic number.

22677142 is a deficient number, since it is larger than the sum of its proper divisors (11338574).

22677142 is a wasteful number, since it uses less digits than its factorization.

22677142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338573.

The product of its digits is 9408, while the sum is 31.

The square root of 22677142 is about 4762.0522886671. The cubic root of 22677142 is about 283.0497483994.

It can be divided in two parts, 2267 and 7142, that added together give a square (9409 = 97²).

The spelling of 22677142 in words is "twenty-two million, six hundred seventy-seven thousand, one hundred forty-two".