345090822 has 16 divisors (see below), whose sum is σ = 712445952. Its totient is φ = 111319560.

The previous prime is 345090821. The next prime is 345090829. The reversal of 345090822 is 228090543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345090821) 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, 927478 + ... + 927849.

It is an arithmetic number, because the mean of its divisors is an integer number (44527872).

Almost surely, 2^345090822 is an apocalyptic number.

345090822 is an abundant number, since it is smaller than the sum of its proper divisors (367355130).

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

345090822 is a wasteful number, since it uses less digits than its factorization.

345090822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855363.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 345090822 is about 18576.6203061806. The cubic root of 345090822 is about 701.4194476149.

The spelling of 345090822 in words is "three hundred forty-five million, ninety thousand, eight hundred twenty-two".