2142229597 has 2 divisors, whose sum is σ = 2142229598. Its totient is φ = 2142229596.

The previous prime is 2142229571. The next prime is 2142229669. The reversal of 2142229597 is 7959222412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585552761 + 556676836 = 39819^2 + 23594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142229597 - 2⁷ = 2142229469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142229547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071114798 + 1071114799.

It is an arithmetic number, because the mean of its divisors is an integer number (1071114799).

Almost surely, 2^2142229597 is an apocalyptic number.

It is an amenable number.

2142229597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142229597 is an equidigital number, since it uses as much as digits as its factorization.

2142229597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 2142229597 is about 46284.2262223319. The cubic root of 2142229597 is about 1289.1061245383.

The spelling of 2142229597 in words is "two billion, one hundred forty-two million, two hundred twenty-nine thousand, five hundred ninety-seven".