221423314290 has 32 divisors (see below), whose sum is σ = 531475603200. Its totient is φ = 59039589504.

The previous prime is 221423314279. The next prime is 221423314319. The reversal of 221423314290 is 92413324122.

It is a super-2 number, since 2×221423314290² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139515 + ... + 679934.

It is an arithmetic number, because the mean of its divisors is an integer number (16608612600).

Almost surely, 2^221423314290 is an apocalyptic number.

221423314290 is an abundant number, since it is smaller than the sum of its proper divisors (310052288910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221423314290 is a wasteful number, since it uses less digits than its factorization.

221423314290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828466.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 221423314290 in words is "two hundred twenty-one billion, four hundred twenty-three million, three hundred fourteen thousand, two hundred ninety".