222240763 has 4 divisors (see below), whose sum is σ = 222515608. Its totient is φ = 221965920.

The previous prime is 222240719. The next prime is 222240773. The reversal of 222240763 is 367042222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367042222 = 2 ⋅183521111.

It is a cyclic number.

It is not a de Polignac number, because 222240763 - 2¹⁷ = 222109691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222240773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136206 + ... + 137827.

It is an arithmetic number, because the mean of its divisors is an integer number (55628902).

Almost surely, 2^222240763 is an apocalyptic number.

222240763 is a deficient number, since it is larger than the sum of its proper divisors (274845).

222240763 is an equidigital number, since it uses as much as digits as its factorization.

222240763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274844.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 222240763 is about 14907.7417136198. The cubic root of 222240763 is about 605.7237092235.

Adding to 222240763 its reverse (367042222), we get a palindrome (589282985).

The spelling of 222240763 in words is "two hundred twenty-two million, two hundred forty thousand, seven hundred sixty-three".