222012344 has 8 divisors (see below), whose sum is σ = 416273160. Its totient is φ = 111006168.

The previous prime is 222012341. The next prime is 222012347. The reversal of 222012344 is 443210222.

It is an interprime number because it is at equal distance from previous prime (222012341) and next prime (222012347).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875764 + ... + 13875779.

It is an arithmetic number, because the mean of its divisors is an integer number (52034145).

Almost surely, 2^222012344 is an apocalyptic number.

It is an amenable number.

222012344 is a deficient number, since it is larger than the sum of its proper divisors (194260816).

222012344 is a wasteful number, since it uses less digits than its factorization.

222012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27751549 (or 27751545 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222012344 is about 14900.0786575105. The cubic root of 222012344 is about 605.5161171945.

Adding to 222012344 its reverse (443210222), we get a palindrome (665222566).

The spelling of 222012344 in words is "two hundred twenty-two million, twelve thousand, three hundred forty-four".