1944998224 has 40 divisors (see below), whose sum is σ = 4064552352. Its totient is φ = 896311680.

The previous prime is 1944998219. The next prime is 1944998239. The reversal of 1944998224 is 4228994491.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 135219 + ... + 148909.

Almost surely, 2^1944998224 is an apocalyptic number.

It is an amenable number.

1944998224 is an abundant number, since it is smaller than the sum of its proper divisors (2119554128).

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

1944998224 is a wasteful number, since it uses less digits than its factorization.

1944998224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395 (or 14389 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 1944998224 is about 44102.1340073244. The cubic root of 1944998224 is about 1248.2638776062.

The spelling of 1944998224 in words is "one billion, nine hundred forty-four million, nine hundred ninety-eight thousand, two hundred twenty-four".