22042294 has 4 divisors (see below), whose sum is σ = 33063444. Its totient is φ = 11021146.

The previous prime is 22042249. The next prime is 22042301. The reversal of 22042294 is 49224022.

It is a happy number.

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

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, 5510572 + ... + 5510575.

It is an arithmetic number, because the mean of its divisors is an integer number (8265861).

Almost surely, 2^22042294 is an apocalyptic number.

22042294 is a deficient number, since it is larger than the sum of its proper divisors (11021150).

22042294 is a wasteful number, since it uses less digits than its factorization.

22042294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021149.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22042294 is about 4694.9221505793. The cubic root of 22042294 is about 280.3833778980.

The spelling of 22042294 in words is "twenty-two million, forty-two thousand, two hundred ninety-four".