422654442 has 64 divisors (see below), whose sum is σ = 1028920320. Its totient is φ = 112985856.

The previous prime is 422654437. The next prime is 422654447. The reversal of 422654442 is 244456224.

It is an interprime number because it is at equal distance from previous prime (422654437) and next prime (422654447).

It is not an unprimeable number, because it can be changed into a prime (422654447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126153 + ... + 129459.

It is an arithmetic number, because the mean of its divisors is an integer number (16076880).

Almost surely, 2^422654442 is an apocalyptic number.

422654442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 422654442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514460160).

422654442 is an abundant number, since it is smaller than the sum of its proper divisors (606265878).

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

422654442 is a wasteful number, since it uses less digits than its factorization.

422654442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its digits is 61440, while the sum is 33.

The square root of 422654442 is about 20558.5612823466. The cubic root of 422654442 is about 750.4616073888.

The spelling of 422654442 in words is "four hundred twenty-two million, six hundred fifty-four thousand, four hundred forty-two".