222722 has 8 divisors (see below), whose sum is σ = 336396. Its totient is φ = 110592.

The previous prime is 222713. The next prime is 222731. The reversal of 222722 is 227222.

It is an interprime number because it is at equal distance from previous prime (222713) and next prime (222731).

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 10201 = 461^2 + 101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 674.

2²²²⁷²² is an apocalyptic number.

222722 is a deficient number, since it is larger than the sum of its proper divisors (113674).

222722 is a wasteful number, since it uses less digits than its factorization.

222722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 224, while the sum is 17.

The square root of 222722 is about 471.9343174638. The cubic root of 222722 is about 60.6160602541.

Adding to 222722 its reverse (227222), we get a palindrome (449944).

It can be divided in two parts, 22272 and 2, that multiplied together give a palindrome (44544).

The spelling of 222722 in words is "two hundred twenty-two thousand, seven hundred twenty-two", and thus it is an iban number.