422807760 has 240 divisors, whose sum is σ = 1544424960. Its totient is φ = 103265280.

The previous prime is 422807753. The next prime is 422807767. The reversal of 422807760 is 67708224.

It is an interprime number because it is at equal distance from previous prime (422807753) and next prime (422807767).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422807767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423582 + ... + 424578.

It is an arithmetic number, because the mean of its divisors is an integer number (6435104).

Almost surely, 2^422807760 is an apocalyptic number.

422807760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422807760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772212480).

422807760 is an abundant number, since it is smaller than the sum of its proper divisors (1121617200).

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

422807760 is a wasteful number, since it uses less digits than its factorization.

422807760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 422807760 is about 20562.2897557641. The cubic root of 422807760 is about 750.5523397945.

The spelling of 422807760 in words is "four hundred twenty-two million, eight hundred seven thousand, seven hundred sixty".