1913238822 has 32 divisors (see below), whose sum is σ = 4175994240. Its totient is φ = 579539520.

The previous prime is 1913238797. The next prime is 1913238829. The reversal of 1913238822 is 2288323191.

It is a super-3 number, since 3×1913238822³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913238829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242898 + ... + 250650.

It is an arithmetic number, because the mean of its divisors is an integer number (130499820).

Almost surely, 2^1913238822 is an apocalyptic number.

1913238822 is an abundant number, since it is smaller than the sum of its proper divisors (2262755418).

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

1913238822 is a wasteful number, since it uses less digits than its factorization.

1913238822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508.

The product of its digits is 41472, while the sum is 39.

The square root of 1913238822 is about 43740.5855242017. The cubic root of 1913238822 is about 1241.4323592854.

The spelling of 1913238822 in words is "one billion, nine hundred thirteen million, two hundred thirty-eight thousand, eight hundred twenty-two".