1222774506 has 24 divisors (see below), whose sum is σ = 2650999104. Its totient is φ = 407337000.

The previous prime is 1222774481. The next prime is 1222774537. The reversal of 1222774506 is 6054772221.

It is a happy number.

1222774506 is a `hidden beast` number, since 122 + 27 + 7 + 4 + 506 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9631 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (110458296).

Almost surely, 2^1222774506 is an apocalyptic number.

1222774506 is an abundant number, since it is smaller than the sum of its proper divisors (1428224598).

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

1222774506 is a wasteful number, since it uses less digits than its factorization.

1222774506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42426 (or 42423 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1222774506 is about 34968.1927757212. The cubic root of 1222774506 is about 1069.3391284005.

The spelling of 1222774506 in words is "one billion, two hundred twenty-two million, seven hundred seventy-four thousand, five hundred six".