422220188740 has 48 divisors (see below), whose sum is σ = 1013833021824. Its totient is φ = 144689126400.

The previous prime is 422220188653. The next prime is 422220188749. The reversal of 422220188740 is 47881022224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422220188693 and 422220188702.

It is not an unprimeable number, because it can be changed into a prime (422220188749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468301 + ... + 1031380.

It is an arithmetic number, because the mean of its divisors is an integer number (21121521288).

Almost surely, 2^422220188740 is an apocalyptic number.

It is an amenable number.

422220188740 is an abundant number, since it is smaller than the sum of its proper divisors (591612833084).

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

422220188740 is a wasteful number, since it uses less digits than its factorization.

422220188740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501708 (or 1501706 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The spelling of 422220188740 in words is "four hundred twenty-two billion, two hundred twenty million, one hundred eighty-eight thousand, seven hundred forty".