222289797 has 16 divisors (see below), whose sum is σ = 313026560. Its totient is φ = 139925232.

The previous prime is 222289787. The next prime is 222289799. The reversal of 222289797 is 797982222.

It is not a de Polignac number, because 222289797 - 2¹⁴ = 222273413 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 (222289799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11148 + ... + 23850.

It is an arithmetic number, because the mean of its divisors is an integer number (19564160).

Almost surely, 2^222289797 is an apocalyptic number.

It is an amenable number.

222289797 is a deficient number, since it is larger than the sum of its proper divisors (90736763).

222289797 is a wasteful number, since it uses less digits than its factorization.

222289797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032.

The product of its digits is 508032, while the sum is 48.

The square root of 222289797 is about 14909.3862046699. The cubic root of 222289797 is about 605.7682538154.

The spelling of 222289797 in words is "two hundred twenty-two million, two hundred eighty-nine thousand, seven hundred ninety-seven".