222190775 has 6 divisors (see below), whose sum is σ = 275516592. Its totient is φ = 177752600.

The previous prime is 222190763. The next prime is 222190777. The reversal of 222190775 is 577091222.

It is not a de Polignac number, because 222190775 - 2⁶ = 222190711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222190777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4443791 + ... + 4443840.

It is an arithmetic number, because the mean of its divisors is an integer number (45919432).

Almost surely, 2^222190775 is an apocalyptic number.

222190775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222190775 is a deficient number, since it is larger than the sum of its proper divisors (53325817).

222190775 is an equidigital number, since it uses as much as digits as its factorization.

222190775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887641 (or 8887636 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 222190775 is about 14906.0650407812. The cubic root of 222190775 is about 605.6782912320.

The spelling of 222190775 in words is "two hundred twenty-two million, one hundred ninety thousand, seven hundred seventy-five".