422202140 has 24 divisors (see below), whose sum is σ = 938779632. Its totient is φ = 158946560.

The previous prime is 422202107. The next prime is 422202163. The reversal of 422202140 is 41202224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 7 ways as a sum of consecutive naturals, for example, 620546 + ... + 621225.

It is an arithmetic number, because the mean of its divisors is an integer number (39115818).

Almost surely, 2^422202140 is an apocalyptic number.

It is an amenable number.

422202140 is an abundant number, since it is smaller than the sum of its proper divisors (516577492).

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

422202140 is a wasteful number, since it uses less digits than its factorization.

422202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241797 (or 1241795 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 422202140 is about 20547.5580057583. The cubic root of 422202140 is about 750.1938106530.

Adding to 422202140 its reverse (41202224), we get a palindrome (463404364).

The spelling of 422202140 in words is "four hundred twenty-two million, two hundred two thousand, one hundred forty".