1980415922 has 16 divisors (see below), whose sum is σ = 3019420800. Its totient is φ = 974006880.

The previous prime is 1980415891. The next prime is 1980415963. The reversal of 1980415922 is 2295140891.

It is a super-2 number, since 2×1980415922² = 7844094448222220168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1980415922.

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, 46454 + ... + 78222.

It is an arithmetic number, because the mean of its divisors is an integer number (188713800).

Almost surely, 2^1980415922 is an apocalyptic number.

1980415922 is a deficient number, since it is larger than the sum of its proper divisors (1039004878).

1980415922 is a wasteful number, since it uses less digits than its factorization.

1980415922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32281.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1980415922 is about 44501.8642530849. The cubic root of 1980415922 is about 1255.7951547851.

The spelling of 1980415922 in words is "one billion, nine hundred eighty million, four hundred fifteen thousand, nine hundred twenty-two".