22746394 has 8 divisors (see below), whose sum is σ = 37221408. Its totient is φ = 10339260.

The previous prime is 22746337. The next prime is 22746397. The reversal of 22746394 is 49364722.

22746394 = 1433² + 1434² + ... + 1443².

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

It is not an unprimeable number, because it can be changed into a prime (22746397) 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, 516942 + ... + 516985.

It is an arithmetic number, because the mean of its divisors is an integer number (4652676).

Almost surely, 2^22746394 is an apocalyptic number.

22746394 is a deficient number, since it is larger than the sum of its proper divisors (14475014).

22746394 is a wasteful number, since it uses less digits than its factorization.

22746394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033940.

The product of its digits is 72576, while the sum is 37.

The square root of 22746394 is about 4769.3179805922. The cubic root of 22746394 is about 283.3375836348.

It can be divided in two parts, 2274 and 6394, that added together give a palindrome (8668).

The spelling of 22746394 in words is "twenty-two million, seven hundred forty-six thousand, three hundred ninety-four".