422111140 has 24 divisors (see below), whose sum is σ = 967018752. Its totient is φ = 153494880.

The previous prime is 422111119. The next prime is 422111147. The reversal of 422111140 is 41111224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (422111147) 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, 959124 + ... + 959563.

It is an arithmetic number, because the mean of its divisors is an integer number (40292448).

Almost surely, 2^422111140 is an apocalyptic number.

It is an amenable number.

422111140 is an abundant number, since it is smaller than the sum of its proper divisors (544907612).

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

422111140 is a wasteful number, since it uses less digits than its factorization.

422111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918707 (or 1918705 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 422111140 is about 20545.3435113653. The cubic root of 422111140 is about 750.1399087139.

Adding to 422111140 its reverse (41111224), we get a palindrome (463222364).

The spelling of 422111140 in words is "four hundred twenty-two million, one hundred eleven thousand, one hundred forty".