1922217413 has 4 divisors (see below), whose sum is σ = 1922318988. Its totient is φ = 1922115840.

The previous prime is 1922217397. The next prime is 1922217431. The reversal of 1922217413 is 3147122291.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 470759809 + 1451457604 = 21697^2 + 38098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1922217413 - 2⁴ = 1922217397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1922217413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922217113) 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, 13058 + ... + 63363.

It is an arithmetic number, because the mean of its divisors is an integer number (480579747).

Almost surely, 2^1922217413 is an apocalyptic number.

It is an amenable number.

1922217413 is a deficient number, since it is larger than the sum of its proper divisors (101575).

1922217413 is an equidigital number, since it uses as much as digits as its factorization.

1922217413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101574.

The product of its digits is 6048, while the sum is 32.

The square root of 1922217413 is about 43843.0999474262. The cubic root of 1922217413 is about 1243.3712917579.

The spelling of 1922217413 in words is "one billion, nine hundred twenty-two million, two hundred seventeen thousand, four hundred thirteen".