22022294 has 8 divisors (see below), whose sum is σ = 37752528. Its totient is φ = 9438120.

The previous prime is 22022291. The next prime is 22022303. The reversal of 22022294 is 49222022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786497 + ... + 786524.

It is an arithmetic number, because the mean of its divisors is an integer number (4719066).

Almost surely, 2^22022294 is an apocalyptic number.

22022294 is a deficient number, since it is larger than the sum of its proper divisors (15730234).

22022294 is a wasteful number, since it uses less digits than its factorization.

22022294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573030.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22022294 is about 4692.7917064366. The cubic root of 22022294 is about 280.2985506043.

The spelling of 22022294 in words is "twenty-two million, twenty-two thousand, two hundred ninety-four".