920209222 has 16 divisors (see below), whose sum is σ = 1418664960. Its totient is φ = 447495048.

The previous prime is 920209219. The next prime is 920209247. The reversal of 920209222 is 222902029.

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, 32878 + ... + 54049.

It is an arithmetic number, because the mean of its divisors is an integer number (88666560).

Almost surely, 2^920209222 is an apocalyptic number.

920209222 is a deficient number, since it is larger than the sum of its proper divisors (498455738).

920209222 is a wasteful number, since it uses less digits than its factorization.

920209222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87075.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 920209222 is about 30334.9505026792. The cubic root of 920209222 is about 972.6625477971.

The spelling of 920209222 in words is "nine hundred twenty million, two hundred nine thousand, two hundred twenty-two".