921233222 has 24 divisors (see below), whose sum is σ = 1731110976. Its totient is φ = 364443408.

The previous prime is 921233219. The next prime is 921233251. The reversal of 921233222 is 222332129.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 921233191 and 921233200.

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 11 ways as a sum of consecutive naturals, for example, 360278 + ... + 362825.

It is an arithmetic number, because the mean of its divisors is an integer number (72129624).

Almost surely, 2^921233222 is an apocalyptic number.

921233222 is a deficient number, since it is larger than the sum of its proper divisors (809877754).

921233222 is a wasteful number, since it uses less digits than its factorization.

921233222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723132 (or 723125 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 921233222 is about 30351.8240308552. The cubic root of 921233222 is about 973.0232039046.

The spelling of 921233222 in words is "nine hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-two".