669343422 has 32 divisors (see below), whose sum is σ = 1474049664. Its totient is φ = 200933600.

The previous prime is 669343391. The next prime is 669343459. The reversal of 669343422 is 224343966.

It is a congruent number.

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, 40329 + ... + 54452.

It is an arithmetic number, because the mean of its divisors is an integer number (46064052).

Almost surely, 2^669343422 is an apocalyptic number.

669343422 is an abundant number, since it is smaller than the sum of its proper divisors (804706242).

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

669343422 is a wasteful number, since it uses less digits than its factorization.

669343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94904.

The product of its digits is 186624, while the sum is 39.

The square root of 669343422 is about 25871.6721918008. The cubic root of 669343422 is about 874.7480839963.

The spelling of 669343422 in words is "six hundred sixty-nine million, three hundred forty-three thousand, four hundred twenty-two".