2299525381 has 2 divisors, whose sum is σ = 2299525382. Its totient is φ = 2299525380.

The previous prime is 2299525339. The next prime is 2299525387. The reversal of 2299525381 is 1835259922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1725156225 + 574369156 = 41535^2 + 23966^2 .

It is a cyclic number.

It is not a de Polignac number, because 2299525381 - 2¹¹ = 2299523333 is a prime.

It is a super-2 number, since 2×2299525381² = 10575633955726390322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2299525387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149762690 + 1149762691.

It is an arithmetic number, because the mean of its divisors is an integer number (1149762691).

Almost surely, 2^2299525381 is an apocalyptic number.

It is an amenable number.

2299525381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299525381 is an equidigital number, since it uses as much as digits as its factorization.

2299525381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 2299525381 is about 47953.3667326915. The cubic root of 2299525381 is about 1319.9153184503.

The spelling of 2299525381 in words is "two billion, two hundred ninety-nine million, five hundred twenty-five thousand, three hundred eighty-one".