222214746 has 64 divisors (see below), whose sum is σ = 491734656. Its totient is φ = 66528000.

The previous prime is 222214723. The next prime is 222214757. The reversal of 222214746 is 647412222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527616 + ... + 528036.

It is an arithmetic number, because the mean of its divisors is an integer number (7683354).

Almost surely, 2^222214746 is an apocalyptic number.

222214746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222214746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245867328).

222214746 is an abundant number, since it is smaller than the sum of its proper divisors (269519910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222214746 is a wasteful number, since it uses less digits than its factorization.

222214746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its digits is 10752, while the sum is 30.

The square root of 222214746 is about 14906.8690877729. The cubic root of 222214746 is about 605.7000716025.

Adding to 222214746 its reverse (647412222), we get a palindrome (869626968).

The spelling of 222214746 in words is "two hundred twenty-two million, two hundred fourteen thousand, seven hundred forty-six".