222540893 has 4 divisors (see below), whose sum is σ = 232216608. Its totient is φ = 212865180.

The previous prime is 222540889. The next prime is 222540919. The reversal of 222540893 is 398045222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222540893 - 2² = 222540889 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 (222540793) 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, 4837823 + ... + 4837868.

It is an arithmetic number, because the mean of its divisors is an integer number (58054152).

Almost surely, 2^222540893 is an apocalyptic number.

222540893 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222540893 is a deficient number, since it is larger than the sum of its proper divisors (9675715).

222540893 is an equidigital number, since it uses as much as digits as its factorization.

222540893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675714.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 222540893 is about 14917.8045636749. The cubic root of 222540893 is about 605.9962576060.

The spelling of 222540893 in words is "two hundred twenty-two million, five hundred forty thousand, eight hundred ninety-three".