997222332 has 24 divisors (see below), whose sum is σ = 2336513872. Its totient is φ = 331027200.

The previous prime is 997222321. The next prime is 997222351. The reversal of 997222332 is 233222799.

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, 169519 + ... + 175302.

Almost surely, 2^997222332 is an apocalyptic number.

It is an amenable number.

997222332 is an abundant number, since it is smaller than the sum of its proper divisors (1339291540).

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

997222332 is a wasteful number, since it uses less digits than its factorization.

997222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345069 (or 345067 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 997222332 is about 31578.8272739822. The cubic root of 997222332 is about 999.0732520703.

The spelling of 997222332 in words is "nine hundred ninety-seven million, two hundred twenty-two thousand, three hundred thirty-two".