1946222472 has 16 divisors (see below), whose sum is σ = 4865556240. Its totient is φ = 648740816.

The previous prime is 1946222471. The next prime is 1946222477. The reversal of 1946222472 is 2742226491.

It is a self number, because there is not a number n which added to its sum of digits gives 1946222472.

It is not an unprimeable number, because it can be changed into a prime (1946222471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40546278 + ... + 40546325.

It is an arithmetic number, because the mean of its divisors is an integer number (304097265).

Almost surely, 2^1946222472 is an apocalyptic number.

1946222472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1946222472 is an abundant number, since it is smaller than the sum of its proper divisors (2919333768).

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

1946222472 is a wasteful number, since it uses less digits than its factorization.

1946222472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81092612 (or 81092608 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 1946222472 is about 44116.0115150951. The cubic root of 1946222472 is about 1248.5257225818.

The spelling of 1946222472 in words is "one billion, nine hundred forty-six million, two hundred twenty-two thousand, four hundred seventy-two".