1219922802 has 64 divisors (see below), whose sum is σ = 3120963840. Its totient is φ = 345990528.

The previous prime is 1219922789. The next prime is 1219922843. The reversal of 1219922802 is 2082299121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40008 + ... + 63564.

It is an arithmetic number, because the mean of its divisors is an integer number (48765060).

Almost surely, 2^1219922802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1219922802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560481920).

1219922802 is an abundant number, since it is smaller than the sum of its proper divisors (1901041038).

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

1219922802 is a wasteful number, since it uses less digits than its factorization.

1219922802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23712 (or 23706 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1219922802 is about 34927.3932895085. The cubic root of 1219922802 is about 1068.5071918707.

The spelling of 1219922802 in words is "one billion, two hundred nineteen million, nine hundred twenty-two thousand, eight hundred two".