140401222 has 32 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 60510240.

The previous prime is 140401213. The next prime is 140401237. The reversal of 140401222 is 222104041.

It is a junction number, because it is equal to n+sod(n) for n = 140401196 and 140401205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33073 + ... + 37075.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^140401222 is an apocalyptic number.

140401222 is a deficient number, since it is larger than the sum of its proper divisors (101760698).

140401222 is a wasteful number, since it uses less digits than its factorization.

140401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140401222 is about 11849.1021600795. The cubic root of 140401222 is about 519.7449710979.

Adding to 140401222 its reverse (222104041), we get a palindrome (362505263).

The spelling of 140401222 in words is "one hundred forty million, four hundred one thousand, two hundred twenty-two".