221423314299 has 64 divisors (see below), whose sum is σ = 330457729536. Its totient is φ = 130740480000.

The previous prime is 221423314279. The next prime is 221423314319. The reversal of 221423314299 is 992413324122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221423314279) and next prime (221423314319).

It is not a de Polignac number, because 221423314299 - 2⁸ = 221423314043 is a prime.

It is a super-2 number, since 2×221423314299² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221423314299.

It is not an unprimeable number, because it can be changed into a prime (221423314249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228035884 + ... + 228036854.

It is an arithmetic number, because the mean of its divisors is an integer number (5163402024).

Almost surely, 2^221423314299 is an apocalyptic number.

221423314299 is a deficient number, since it is larger than the sum of its proper divisors (109034415237).

221423314299 is a wasteful number, since it uses less digits than its factorization.

221423314299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 186624, while the sum is 42.

The spelling of 221423314299 in words is "two hundred twenty-one billion, four hundred twenty-three million, three hundred fourteen thousand, two hundred ninety-nine".