1283223922 has 16 divisors (see below), whose sum is σ = 1958647680. Its totient is φ = 630354672.

The previous prime is 1283223917. The next prime is 1283223947. The reversal of 1283223922 is 2293223821.

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, 382183 + ... + 385525.

It is an arithmetic number, because the mean of its divisors is an integer number (122415480).

Almost surely, 2^1283223922 is an apocalyptic number.

1283223922 is a deficient number, since it is larger than the sum of its proper divisors (675423758).

1283223922 is a wasteful number, since it uses less digits than its factorization.

1283223922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657.

The product of its digits is 20736, while the sum is 34.

The square root of 1283223922 is about 35822.1149850201. The cubic root of 1283223922 is about 1086.6778522483.

The spelling of 1283223922 in words is "one billion, two hundred eighty-three million, two hundred twenty-three thousand, nine hundred twenty-two".