1226017772 has 48 divisors (see below), whose sum is σ = 2526629952. Its totient is φ = 509690880.

The previous prime is 1226017759. The next prime is 1226017787. The reversal of 1226017772 is 2777106221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119768 + ... + 129600.

It is an arithmetic number, because the mean of its divisors is an integer number (52638124).

Almost surely, 2^1226017772 is an apocalyptic number.

It is an amenable number.

1226017772 is an abundant number, since it is smaller than the sum of its proper divisors (1300612180).

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

1226017772 is a wasteful number, since it uses less digits than its factorization.

1226017772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978 (or 9976 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 1226017772 is about 35014.5365812544. The cubic root of 1226017772 is about 1070.2837259647.

The spelling of 1226017772 in words is "one billion, two hundred twenty-six million, seventeen thousand, seven hundred seventy-two".