222140072 has 64 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 82779840.

The previous prime is 222140069. The next prime is 222140089. The reversal of 222140072 is 270041222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329 + ... + 22007.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^222140072 is an apocalyptic number.

222140072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222140072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270950400).

222140072 is an abundant number, since it is smaller than the sum of its proper divisors (319760728).

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

222140072 is a wasteful number, since it uses less digits than its factorization.

222140072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15726 (or 15722 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 222140072 is about 14904.3641930812. The cubic root of 222140072 is about 605.6322166479.

Adding to 222140072 its reverse (270041222), we get a palindrome (492181294).

The spelling of 222140072 in words is "two hundred twenty-two million, one hundred forty thousand, seventy-two".