22551794 has 8 divisors (see below), whose sum is σ = 34043628. Its totient is φ = 11203920.

The previous prime is 22551791. The next prime is 22551811. The reversal of 22551794 is 49715522.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 5121169 = 4175^2 + 2263^2 .

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 (22551791) 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, 35597 + ... + 36224.

Almost surely, 2^22551794 is an apocalyptic number.

22551794 is a deficient number, since it is larger than the sum of its proper divisors (11491834).

22551794 is a wasteful number, since it uses less digits than its factorization.

22551794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71980.

The product of its digits is 25200, while the sum is 35.

The square root of 22551794 is about 4748.8729189146. The cubic root of 22551794 is about 282.5272649697.

The spelling of 22551794 in words is "twenty-two million, five hundred fifty-one thousand, seven hundred ninety-four".