22636413420370 has 16 divisors (see below), whose sum is σ = 43142340872088. Its totient is φ = 8521943875840.

The previous prime is 22636413420367. The next prime is 22636413420373. The reversal of 22636413420370 is 7302431463622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22636413420367) and next prime (22636413420373).

It can be written as a sum of positive squares in 4 ways, for example, as 16116137989081 + 6520275431289 = 4014491^2 + 2553483^2 .

It is not an unprimeable number, because it can be changed into a prime (22636413420373) 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, 66577686361 + ... + 66577686700.

Almost surely, 2^{22636413420370} is an apocalyptic number.

22636413420370 is a deficient number, since it is larger than the sum of its proper divisors (20505927451718).

22636413420370 is a wasteful number, since it uses less digits than its factorization.

22636413420370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133155373085.

The product of its (nonzero) digits is 870912, while the sum is 43.

Adding to 22636413420370 its reverse (7302431463622), we get a palindrome (29938844883992).

The spelling of 22636413420370 in words is "twenty-two trillion, six hundred thirty-six billion, four hundred thirteen million, four hundred twenty thousand, three hundred seventy".