222530899 has 2 divisors, whose sum is σ = 222530900. Its totient is φ = 222530898.

The previous prime is 222530851. The next prime is 222530921. The reversal of 222530899 is 998035222.

222530899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222530899 - 2¹⁹ = 222006611 is a prime.

It is a super-5 number, since 5×222530899⁵ (a number of 43 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (222530809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111265449 + 111265450.

It is an arithmetic number, because the mean of its divisors is an integer number (111265450).

Almost surely, 2^222530899 is an apocalyptic number.

222530899 is a deficient number, since it is larger than the sum of its proper divisors (1).

222530899 is an equidigital number, since it uses as much as digits as its factorization.

222530899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 222530899 is about 14917.4695910533. The cubic root of 222530899 is about 605.9871859889.

It can be divided in two parts, 2225 and 30899, that added together give a square (33124 = 182²).

The spelling of 222530899 in words is "two hundred twenty-two million, five hundred thirty thousand, eight hundred ninety-nine".