22015436630 has 16 divisors (see below), whose sum is σ = 43230312144. Its totient is φ = 8005613280.

The previous prime is 22015436621. The next prime is 22015436633. The reversal of 22015436630 is 3663451022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22015436633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100070057 + ... + 100070276.

It is an arithmetic number, because the mean of its divisors is an integer number (2701894509).

Almost surely, 2^22015436630 is an apocalyptic number.

22015436630 is a deficient number, since it is larger than the sum of its proper divisors (21214875514).

22015436630 is a wasteful number, since it uses less digits than its factorization.

22015436630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200140351.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 22015436630 its reverse (3663451022), we get a palindrome (25678887652).

The spelling of 22015436630 in words is "twenty-two billion, fifteen million, four hundred thirty-six thousand, six hundred thirty".