1447220802 has 16 divisors (see below), whose sum is σ = 2987811072. Its totient is φ = 466845360.

The previous prime is 1447220783. The next prime is 1447220813. The reversal of 1447220802 is 2080227441.

It is a self number, because there is not a number n which added to its sum of digits gives 1447220802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890193 + ... + 3890564.

It is an arithmetic number, because the mean of its divisors is an integer number (186738192).

Almost surely, 2^1447220802 is an apocalyptic number.

1447220802 is an abundant number, since it is smaller than the sum of its proper divisors (1540590270).

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

1447220802 is a wasteful number, since it uses less digits than its factorization.

1447220802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780793.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 1447220802 is about 38042.3553687203. The cubic root of 1447220802 is about 1131.1275981563.

The spelling of 1447220802 in words is "one billion, four hundred forty-seven million, two hundred twenty thousand, eight hundred two".