1222057922 has 18 divisors (see below), whose sum is σ = 1936131129. Its totient is φ = 578424600.

The previous prime is 1222057897. The next prime is 1222057927. The reversal of 1222057922 is 2297502221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 658897561 + 563160361 = 25669^2 + 23731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24719.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222057927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 938672 + ... + 939972.

Almost surely, 2^1222057922 is an apocalyptic number.

1222057922 is a deficient number, since it is larger than the sum of its proper divisors (714073207).

1222057922 is an frugal number, since it uses more digits than its factorization.

1222057922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1222057922 is about 34957.9450483005. The cubic root of 1222057922 is about 1069.1301988878.

Multiplying 1222057922 by its sum of digits (32), we get a square (39105853504 = 197752²).

The spelling of 1222057922 in words is "one billion, two hundred twenty-two million, fifty-seven thousand, nine hundred twenty-two".