22780317002 has 16 divisors (see below), whose sum is σ = 35358016320. Its totient is φ = 11000264352.

The previous prime is 22780316983. The next prime is 22780317023. The reversal of 22780317002 is 20071308722.

It is a super-2 number, since 2×22780317002² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22780317002.

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, 1480478 + ... + 1495785.

It is an arithmetic number, because the mean of its divisors is an integer number (2209876020).

Almost surely, 2^22780317002 is an apocalyptic number.

22780317002 is a deficient number, since it is larger than the sum of its proper divisors (12577699318).

22780317002 is a wasteful number, since it uses less digits than its factorization.

22780317002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976397.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 22780317002 in words is "twenty-two billion, seven hundred eighty million, three hundred seventeen thousand, two".