140522222 has 16 divisors (see below), whose sum is σ = 212829792. Its totient is φ = 69582240.

The previous prime is 140522219. The next prime is 140522227. The reversal of 140522222 is 222225041.

It is a junction number, because it is equal to n+sod(n) for n = 140522194 and 140522203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140522227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131663 + ... + 132725.

It is an arithmetic number, because the mean of its divisors is an integer number (13301862).

Almost surely, 2^140522222 is an apocalyptic number.

140522222 is a deficient number, since it is larger than the sum of its proper divisors (72307570).

140522222 is a wasteful number, since it uses less digits than its factorization.

140522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140522222 is about 11854.2069325620. The cubic root of 140522222 is about 519.8942363796.

Adding to 140522222 its reverse (222225041), we get a palindrome (362747263).

The spelling of 140522222 in words is "one hundred forty million, five hundred twenty-two thousand, two hundred twenty-two".