422426140 has 24 divisors (see below), whose sum is σ = 889161840. Its totient is φ = 168576768.

The previous prime is 422426131. The next prime is 422426153. The reversal of 422426140 is 41624224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15730 + ... + 33049.

It is an arithmetic number, because the mean of its divisors is an integer number (37048410).

Almost surely, 2^422426140 is an apocalyptic number.

It is an amenable number.

422426140 is an abundant number, since it is smaller than the sum of its proper divisors (466735700).

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

422426140 is a wasteful number, since it uses less digits than its factorization.

422426140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49221 (or 49219 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 422426140 is about 20553.0080523509. The cubic root of 422426140 is about 750.3264593599.

The spelling of 422426140 in words is "four hundred twenty-two million, four hundred twenty-six thousand, one hundred forty".