920210222 has 4 divisors (see below), whose sum is σ = 1380315336. Its totient is φ = 460105110.

The previous prime is 920210209. The next prime is 920210233. The reversal of 920210222 is 222012029.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 920210194 and 920210203.

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 as a sum of consecutive naturals, namely, 230052554 + ... + 230052557.

It is an arithmetic number, because the mean of its divisors is an integer number (345078834).

Almost surely, 2^920210222 is an apocalyptic number.

920210222 is a deficient number, since it is larger than the sum of its proper divisors (460105114).

920210222 is a wasteful number, since it uses less digits than its factorization.

920210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460105113.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 920210222 is about 30334.9669853125. The cubic root of 920210222 is about 972.6629001308.

The spelling of 920210222 in words is "nine hundred twenty million, two hundred ten thousand, two hundred twenty-two".