2292172081 has 2 divisors, whose sum is σ = 2292172082. Its totient is φ = 2292172080.

The previous prime is 2292172079. The next prime is 2292172121. The reversal of 2292172081 is 1802712922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1555592481 + 736579600 = 39441^2 + 27140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2292172081 - 2¹ = 2292172079 is a prime.

It is a super-2 number, since 2×2292172081² = 10508105697831741122, which contains 22 as substring.

Together with 2292172079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2292172031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146086040 + 1146086041.

It is an arithmetic number, because the mean of its divisors is an integer number (1146086041).

Almost surely, 2^2292172081 is an apocalyptic number.

It is an amenable number.

2292172081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2292172081 is an equidigital number, since it uses as much as digits as its factorization.

2292172081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2292172081 is about 47876.6339773380. The cubic root of 2292172081 is about 1318.5068977820.

The spelling of 2292172081 in words is "two billion, two hundred ninety-two million, one hundred seventy-two thousand, eighty-one".