222021334 has 8 divisors (see below), whose sum is σ = 338491728. Its totient is φ = 109190760.

The previous prime is 222021311. The next prime is 222021353. The reversal of 222021334 is 433120222.

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

It is a super-2 number, since 2×222021334² = 98586945502279112, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 909802 + ... + 910045.

It is an arithmetic number, because the mean of its divisors is an integer number (42311466).

Almost surely, 2^222021334 is an apocalyptic number.

222021334 is a deficient number, since it is larger than the sum of its proper divisors (116470394).

222021334 is a wasteful number, since it uses less digits than its factorization.

222021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819910.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222021334 is about 14900.3803307164. The cubic root of 222021334 is about 605.5242901881.

Adding to 222021334 its reverse (433120222), we get a palindrome (655141556).

The spelling of 222021334 in words is "two hundred twenty-two million, twenty-one thousand, three hundred thirty-four".