222466789 has 4 divisors (see below), whose sum is σ = 224218624. Its totient is φ = 220714956.

The previous prime is 222466753. The next prime is 222466813. The reversal of 222466789 is 987664222.

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 222466789 - 2¹¹ = 222464741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222466289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875727 + ... + 875980.

It is an arithmetic number, because the mean of its divisors is an integer number (56054656).

Almost surely, 2^222466789 is an apocalyptic number.

It is an amenable number.

222466789 is a deficient number, since it is larger than the sum of its proper divisors (1751835).

222466789 is a wasteful number, since it uses less digits than its factorization.

222466789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751834.

The product of its digits is 580608, while the sum is 46.

The square root of 222466789 is about 14915.3206133827. The cubic root of 222466789 is about 605.9289864758.

The spelling of 222466789 in words is "two hundred twenty-two million, four hundred sixty-six thousand, seven hundred eighty-nine".