345500400222 has 48 divisors (see below), whose sum is σ = 751399740000. Its totient is φ = 114734268672.

The previous prime is 345500400199. The next prime is 345500400251. The reversal of 345500400222 is 222004005543.

It is a happy number.

345500400222 is a `hidden beast` number, since 34 + 5 + 5 + 0 + 0 + 400 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6753154 + ... + 6804122.

It is an arithmetic number, because the mean of its divisors is an integer number (15654161250).

Almost surely, 2^345500400222 is an apocalyptic number.

345500400222 is an abundant number, since it is smaller than the sum of its proper divisors (405899339778).

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

345500400222 is a wasteful number, since it uses less digits than its factorization.

345500400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52385 (or 52382 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 345500400222 its reverse (222004005543), we get a palindrome (567504405765).

The spelling of 345500400222 in words is "three hundred forty-five billion, five hundred million, four hundred thousand, two hundred twenty-two".