222234140 has 12 divisors (see below), whose sum is σ = 466691736. Its totient is φ = 88893648.

The previous prime is 222234121. The next prime is 222234143. The reversal of 222234140 is 41432222.

222234140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11111707 = 222234140 / (2 + 2 + 2 + 2 + 3 + 4 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222234143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555834 + ... + 5555873.

It is an arithmetic number, because the mean of its divisors is an integer number (38890978).

Almost surely, 2^222234140 is an apocalyptic number.

222234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222234140 is an abundant number, since it is smaller than the sum of its proper divisors (244457596).

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

222234140 is a wasteful number, since it uses less digits than its factorization.

222234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111716 (or 11111714 counting only the distinct ones).

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

The square root of 222234140 is about 14907.5195790581. The cubic root of 222234140 is about 605.7176921035.

Adding to 222234140 its reverse (41432222), we get a palindrome (263666362).

The spelling of 222234140 in words is "two hundred twenty-two million, two hundred thirty-four thousand, one hundred forty".