22635722 has 8 divisors (see below), whose sum is σ = 33984900. Its totient is φ = 11307424.

The previous prime is 22635719. The next prime is 22635727. The reversal of 22635722 is 22753622.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 461041 = 4709^2 + 679^2 .

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

It is a super-2 number, since 2×22635722² = 1024751820922568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22635727) 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, 2147 + ... + 7062.

Almost surely, 2^22635722 is an apocalyptic number.

22635722 is a deficient number, since it is larger than the sum of its proper divisors (11349178).

22635722 is a wasteful number, since it uses less digits than its factorization.

22635722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440.

The product of its digits is 10080, while the sum is 29.

The square root of 22635722 is about 4757.7013357293. The cubic root of 22635722 is about 282.8773124170.

The spelling of 22635722 in words is "twenty-two million, six hundred thirty-five thousand, seven hundred twenty-two".