22144294 has 8 divisors (see below), whose sum is σ = 33304320. Its totient is φ = 11042856.

The previous prime is 22144289. The next prime is 22144303. The reversal of 22144294 is 49244122.

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, 13689 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (4163040).

Almost surely, 2^22144294 is an apocalyptic number.

22144294 is a deficient number, since it is larger than the sum of its proper divisors (11160026).

22144294 is a wasteful number, since it uses less digits than its factorization.

22144294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29294.

The product of its digits is 4608, while the sum is 28.

The square root of 22144294 is about 4705.7724126864. The cubic root of 22144294 is about 280.8152008259.

The spelling of 22144294 in words is "twenty-two million, one hundred forty-four thousand, two hundred ninety-four".