22001313610 has 16 divisors (see below), whose sum is σ = 39891435336. Its totient is φ = 8736287488.

The previous prime is 22001313601. The next prime is 22001313613. The reversal of 22001313610 is 1631310022.

It can be written as a sum of positive squares in 4 ways, for example, as 21881213929 + 120099681 = 147923^2 + 10959^2 .

It is not an unprimeable number, because it can be changed into a prime (22001313613) 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, 8028307 + ... + 8031046.

Almost surely, 2^22001313610 is an apocalyptic number.

22001313610 is a deficient number, since it is larger than the sum of its proper divisors (17890121726).

22001313610 is a wasteful number, since it uses less digits than its factorization.

22001313610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16059497.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22001313610 its reverse (1631310022), we get a palindrome (23632623632).

The spelling of 22001313610 in words is "twenty-two billion, one million, three hundred thirteen thousand, six hundred ten".