920213222 has 8 divisors (see below), whose sum is σ = 1393986672. Its totient is φ = 455551000.

The previous prime is 920213209. The next prime is 920213237. The reversal of 920213222 is 222312029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277554 + ... + 2277957.

It is an arithmetic number, because the mean of its divisors is an integer number (174248334).

Almost surely, 2^920213222 is an apocalyptic number.

920213222 is a deficient number, since it is larger than the sum of its proper divisors (473773450).

920213222 is a wasteful number, since it uses less digits than its factorization.

920213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555614.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 920213222 is about 30335.0164331586. The cubic root of 920213222 is about 972.6639571304.

The spelling of 920213222 in words is "nine hundred twenty million, two hundred thirteen thousand, two hundred twenty-two".