422421316 has 12 divisors (see below), whose sum is σ = 749649600. Its totient is φ = 208235720.

The previous prime is 422421301. The next prime is 422421317. The reversal of 422421316 is 613124224.

It is a happy number.

It is a super-2 number, since 2×422421316² = 356879536422343712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422421317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743416 + ... + 743983.

It is an arithmetic number, because the mean of its divisors is an integer number (62470800).

Almost surely, 2^422421316 is an apocalyptic number.

It is an amenable number.

422421316 is a deficient number, since it is larger than the sum of its proper divisors (327228284).

422421316 is a wasteful number, since it uses less digits than its factorization.

422421316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487474 (or 1487472 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 422421316 is about 20552.8906969312. The cubic root of 422421316 is about 750.3236031694.

The spelling of 422421316 in words is "four hundred twenty-two million, four hundred twenty-one thousand, three hundred sixteen".