1920243222 has 24 divisors (see below), whose sum is σ = 4175557776. Its totient is φ = 637768656.

The previous prime is 1920243203. The next prime is 1920243223. The reversal of 1920243222 is 2223420291.

1920243222 is a `hidden beast` number, since 1 + 9 + 202 + 432 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920243223) 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, 187578 + ... + 197549.

It is an arithmetic number, because the mean of its divisors is an integer number (173981574).

Almost surely, 2^1920243222 is an apocalyptic number.

1920243222 is an abundant number, since it is smaller than the sum of its proper divisors (2255314554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1920243222 is a wasteful number, since it uses less digits than its factorization.

1920243222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385412 (or 385409 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1920243222 is about 43820.5798911881. The cubic root of 1920243222 is about 1242.9454826173.

The spelling of 1920243222 in words is "one billion, nine hundred twenty million, two hundred forty-three thousand, two hundred twenty-two".