32223897 has 12 divisors (see below), whose sum is σ = 48569664. Its totient is φ = 20548440.

The previous prime is 32223889. The next prime is 32223931. The reversal of 32223897 is 79832223.

It is not a de Polignac number, because 32223897 - 2³ = 32223889 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (32221897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77629 + ... + 78042.

It is an arithmetic number, because the mean of its divisors is an integer number (4047472).

Almost surely, 2^32223897 is an apocalyptic number.

It is an amenable number.

32223897 is a deficient number, since it is larger than the sum of its proper divisors (16345767).

32223897 is a wasteful number, since it uses less digits than its factorization.

32223897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155700 (or 155697 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 32223897 is about 5676.6096395648. The cubic root of 32223897 is about 318.2189366888.

The spelling of 32223897 in words is "thirty-two million, two hundred twenty-three thousand, eight hundred ninety-seven".