140222530 has 32 divisors (see below), whose sum is σ = 293195520. Its totient is φ = 47286720.

The previous prime is 140222507. The next prime is 140222539. The reversal of 140222530 is 35222041.

It is a junction number, because it is equal to n+sod(n) for n = 140222498 and 140222507.

It is not an unprimeable number, because it can be changed into a prime (140222539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12150 + ... + 20689.

It is an arithmetic number, because the mean of its divisors is an integer number (9162360).

Almost surely, 2^140222530 is an apocalyptic number.

140222530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140222530 is an abundant number, since it is smaller than the sum of its proper divisors (152972990).

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

140222530 is a wasteful number, since it uses less digits than its factorization.

140222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32914.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140222530 is about 11841.5594412223. The cubic root of 140222530 is about 519.5243801941.

Adding to 140222530 its reverse (35222041), we get a palindrome (175444571).

It can be divided in two parts, 1402 and 22530, that added together give a palindrome (23932).

The spelling of 140222530 in words is "one hundred forty million, two hundred twenty-two thousand, five hundred thirty".