22378042 has 8 divisors (see below), whose sum is σ = 33587136. Its totient is φ = 11182332.

The previous prime is 22378009. The next prime is 22378073. The reversal of 22378042 is 24087322.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22378042.

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, 5013 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (4198392).

Almost surely, 2^22378042 is an apocalyptic number.

22378042 is a deficient number, since it is larger than the sum of its proper divisors (11209094).

22378042 is a wasteful number, since it uses less digits than its factorization.

22378042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22378042 is about 4730.5435205693. The cubic root of 22378042 is about 281.7998092964.

The spelling of 22378042 in words is "twenty-two million, three hundred seventy-eight thousand, forty-two".