1922402213 has 2 divisors, whose sum is σ = 1922402214. Its totient is φ = 1922402212.

The previous prime is 1922402191. The next prime is 1922402233. The reversal of 1922402213 is 3122042291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909427809 + 12974404 = 43697^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 1922402213 - 2¹² = 1922398117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1922402233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961201106 + 961201107.

It is an arithmetic number, because the mean of its divisors is an integer number (961201107).

Almost surely, 2^1922402213 is an apocalyptic number.

It is an amenable number.

1922402213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922402213 is an equidigital number, since it uses as much as digits as its factorization.

1922402213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1922402213 is about 43845.2074119852. The cubic root of 1922402213 is about 1243.4111359591.

The spelling of 1922402213 in words is "one billion, nine hundred twenty-two million, four hundred two thousand, two hundred thirteen".