140422002 has 64 divisors (see below), whose sum is σ = 342835200. Its totient is φ = 37477440.

The previous prime is 140422001. The next prime is 140422013. The reversal of 140422002 is 200224041.

It is not an unprimeable number, because it can be changed into a prime (140422001) 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, 35899 + ... + 39617.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^140422002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140422002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171417600).

140422002 is an abundant number, since it is smaller than the sum of its proper divisors (202413198).

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

140422002 is a wasteful number, since it uses less digits than its factorization.

140422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 140422002 is about 11849.9789873231. The cubic root of 140422002 is about 519.7706113489.

Adding to 140422002 its reverse (200224041), we get a palindrome (340646043).

The spelling of 140422002 in words is "one hundred forty million, four hundred twenty-two thousand, two".