222331331 has 4 divisors (see below), whose sum is σ = 234033000. Its totient is φ = 210629664.

The previous prime is 222331327. The next prime is 222331339. The reversal of 222331331 is 133133222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222331331 - 2² = 222331327 is a prime.

It is a super-2 number, since 2×222331331² = 98862441488463122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222331339) 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, 5850806 + ... + 5850843.

It is an arithmetic number, because the mean of its divisors is an integer number (58508250).

Almost surely, 2^222331331 is an apocalyptic number.

222331331 is a deficient number, since it is larger than the sum of its proper divisors (11701669).

222331331 is a wasteful number, since it uses less digits than its factorization.

222331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701668.

The product of its digits is 648, while the sum is 20.

The square root of 222331331 is about 14910.7790205609. The cubic root of 222331331 is about 605.8059799610.

Adding to 222331331 its reverse (133133222), we get a palindrome (355464553).

The spelling of 222331331 in words is "two hundred twenty-two million, three hundred thirty-one thousand, three hundred thirty-one".