140222352 has 80 divisors (see below), whose sum is σ = 380868480. Its totient is φ = 44368896.

The previous prime is 140222339. The next prime is 140222363. The reversal of 140222352 is 253222041.

140222352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 172924 + ... + 173732.

It is an arithmetic number, because the mean of its divisors is an integer number (4760856).

Almost surely, 2^140222352 is an apocalyptic number.

140222352 is a gapful number since it is divisible by the number (12) 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 140222352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190434240).

140222352 is an abundant number, since it is smaller than the sum of its proper divisors (240646128).

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

140222352 is a wasteful number, since it uses less digits than its factorization.

140222352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140222352 is about 11841.5519253179. The cubic root of 140222352 is about 519.5241603640.

Adding to 140222352 its reverse (253222041), we get a palindrome (393444393).

The spelling of 140222352 in words is "one hundred forty million, two hundred twenty-two thousand, three hundred fifty-two".