397073222 has 32 divisors (see below), whose sum is σ = 744022272. Its totient is φ = 154734624.

The previous prime is 397073213. The next prime is 397073231. The reversal of 397073222 is 222370793.

It is an interprime number because it is at equal distance from previous prime (397073213) and next prime (397073231).

It is a super-2 number, since 2×397073222² = 315334287258922568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4088 + ... + 28475.

It is an arithmetic number, because the mean of its divisors is an integer number (23250696).

Almost surely, 2^397073222 is an apocalyptic number.

397073222 is a deficient number, since it is larger than the sum of its proper divisors (346949050).

397073222 is a wasteful number, since it uses less digits than its factorization.

397073222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32652.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 397073222 is about 19926.6962138735. The cubic root of 397073222 is about 735.0048417778.

The spelling of 397073222 in words is "three hundred ninety-seven million, seventy-three thousand, two hundred twenty-two".