3492222821 has 2 divisors, whose sum is σ = 3492222822. Its totient is φ = 3492222820.

The previous prime is 3492222761. The next prime is 3492222863. The reversal of 3492222821 is 1282222943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3397257796 + 94965025 = 58286^2 + 9745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3492222821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3492222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746111410 + 1746111411.

It is an arithmetic number, because the mean of its divisors is an integer number (1746111411).

Almost surely, 2^3492222821 is an apocalyptic number.

It is an amenable number.

3492222821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3492222821 is an equidigital number, since it uses as much as digits as its factorization.

3492222821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 3492222821 is about 59095.0321177677. The cubic root of 3492222821 is about 1517.1690759537.

The spelling of 3492222821 in words is "three billion, four hundred ninety-two million, two hundred twenty-two thousand, eight hundred twenty-one".