140222901 has 32 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 73511424.

The previous prime is 140222897. The next prime is 140222923. The reversal of 140222901 is 109222041.

140222901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140222901 - 2² = 140222897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140222981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45745 + ... + 48713.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^140222901 is an apocalyptic number.

It is an amenable number.

140222901 is a deficient number, since it is larger than the sum of its proper divisors (91294539).

140222901 is a wasteful number, since it uses less digits than its factorization.

140222901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140222901 is about 11841.5751063784. The cubic root of 140222901 is about 519.5248383786.

Adding to 140222901 its reverse (109222041), we get a palindrome (249444942).

The spelling of 140222901 in words is "one hundred forty million, two hundred twenty-two thousand, nine hundred one".