897632222 has 16 divisors (see below), whose sum is σ = 1361572080. Its totient is φ = 443791872.

The previous prime is 897632167. The next prime is 897632227. The reversal of 897632222 is 222236798.

It is a self number, because there is not a number n which added to its sum of digits gives 897632222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897632227) 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, 110078 + ... + 117950.

It is an arithmetic number, because the mean of its divisors is an integer number (85098255).

Almost surely, 2^897632222 is an apocalyptic number.

897632222 is a deficient number, since it is larger than the sum of its proper divisors (463939858).

897632222 is a wasteful number, since it uses less digits than its factorization.

897632222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its digits is 145152, while the sum is 41.

The square root of 897632222 is about 29960.5110437055. The cubic root of 897632222 is about 964.6419504446.

The spelling of 897632222 in words is "eight hundred ninety-seven million, six hundred thirty-two thousand, two hundred twenty-two".