13897001222 has 16 divisors (see below), whose sum is σ = 23173164672. Its totient is φ = 6207096960.

The previous prime is 13897001221. The next prime is 13897001233. The reversal of 13897001222 is 22210079831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897001221) 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, 8620163 + ... + 8621774.

It is an arithmetic number, because the mean of its divisors is an integer number (1448322792).

Almost surely, 2^13897001222 is an apocalyptic number.

13897001222 is a deficient number, since it is larger than the sum of its proper divisors (9276163450).

13897001222 is a wasteful number, since it uses less digits than its factorization.

13897001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17241983.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 13897001222 in words is "thirteen billion, eight hundred ninety-seven million, one thousand, two hundred twenty-two".