222447342 has 64 divisors (see below), whose sum is σ = 507386880. Its totient is φ = 64520064.

The previous prime is 222447341. The next prime is 222447347. The reversal of 222447342 is 243744222.

222447342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222447341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96123 + ... + 98409.

It is an arithmetic number, because the mean of its divisors is an integer number (7927920).

Almost surely, 2^222447342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222447342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253693440).

222447342 is an abundant number, since it is smaller than the sum of its proper divisors (284939538).

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

222447342 is a wasteful number, since it uses less digits than its factorization.

222447342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its digits is 21504, while the sum is 30.

The square root of 222447342 is about 14914.6686855592. The cubic root of 222447342 is about 605.9113301410.

The spelling of 222447342 in words is "two hundred twenty-two million, four hundred forty-seven thousand, three hundred forty-two".