1913275224 has 96 divisors (see below), whose sum is σ = 6233760000. Its totient is φ = 517876416.

The previous prime is 1913275223. The next prime is 1913275237. The reversal of 1913275224 is 4225723191.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913275223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90324 + ... + 109475.

It is an arithmetic number, because the mean of its divisors is an integer number (64935000).

Almost surely, 2^1913275224 is an apocalyptic number.

1913275224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1913275224 is an abundant number, since it is smaller than the sum of its proper divisors (4320484776).

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

1913275224 is a wasteful number, since it uses less digits than its factorization.

1913275224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199837 (or 199830 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1913275224 is about 43741.0016346219. The cubic root of 1913275224 is about 1241.4402325548.

The spelling of 1913275224 in words is "one billion, nine hundred thirteen million, two hundred seventy-five thousand, two hundred twenty-four".