222144342 has 24 divisors (see below), whose sum is σ = 516826296. Its totient is φ = 63469728.

The previous prime is 222144341. The next prime is 222144343. The reversal of 222144342 is 243441222.

It is an interprime number because it is at equal distance from previous prime (222144341) and next prime (222144343).

It is a super-2 number, since 2×222144342² = 98696217365225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222144341) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 377503 + ... + 378090.

It is an arithmetic number, because the mean of its divisors is an integer number (21534429).

Almost surely, 2^222144342 is an apocalyptic number.

222144342 is an abundant number, since it is smaller than the sum of its proper divisors (294681954).

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

222144342 is a wasteful number, since it uses less digits than its factorization.

222144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755612 (or 755605 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 222144342 is about 14904.5074390266. The cubic root of 222144342 is about 605.6360971319.

Adding to 222144342 its reverse (243441222), we get a palindrome (465585564).

The spelling of 222144342 in words is "two hundred twenty-two million, one hundred forty-four thousand, three hundred forty-two".