422278680 has 64 divisors (see below), whose sum is σ = 1297749600. Its totient is φ = 109859840.

The previous prime is 422278609. The next prime is 422278693. The reversal of 422278680 is 86872224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37995 + ... + 47834.

Almost surely, 2^422278680 is an apocalyptic number.

422278680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422278680 is an abundant number, since it is smaller than the sum of its proper divisors (875470920).

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

422278680 is a wasteful number, since it uses less digits than its factorization.

422278680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85884 (or 85880 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 422278680 is about 20549.4204297834. The cubic root of 422278680 is about 750.2391415181.

It can be divided in two parts, 42 and 2278680, that added together give a palindrome (2278722).

The spelling of 422278680 in words is "four hundred twenty-two million, two hundred seventy-eight thousand, six hundred eighty".