670990822 has 16 divisors (see below), whose sum is σ = 1060450560. Its totient is φ = 317790792.

The previous prime is 670990813. The next prime is 670990843. The reversal of 670990822 is 228099076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66072 + ... + 75547.

It is an arithmetic number, because the mean of its divisors is an integer number (66278160).

Almost surely, 2^670990822 is an apocalyptic number.

670990822 is a deficient number, since it is larger than the sum of its proper divisors (389459738).

670990822 is a wasteful number, since it uses less digits than its factorization.

670990822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141747.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 670990822 is about 25903.4905369913. The cubic root of 670990822 is about 875.4651445794.

The spelling of 670990822 in words is "six hundred seventy million, nine hundred ninety thousand, eight hundred twenty-two".