669026622 has 64 divisors (see below), whose sum is σ = 1534754304. Its totient is φ = 192445440.

The previous prime is 669026591. The next prime is 669026629. The reversal of 669026622 is 226620966.

669026622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669026629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206358 + ... + 209574.

It is an arithmetic number, because the mean of its divisors is an integer number (23980536).

Almost surely, 2^669026622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669026622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767377152).

669026622 is an abundant number, since it is smaller than the sum of its proper divisors (865727682).

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

669026622 is a wasteful number, since it uses less digits than its factorization.

669026622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 669026622 is about 25865.5489406276. The cubic root of 669026622 is about 874.6100562338.

The spelling of 669026622 in words is "six hundred sixty-nine million, twenty-six thousand, six hundred twenty-two".