425535822 has 64 divisors (see below), whose sum is σ = 981227520. Its totient is φ = 136555200.

The previous prime is 425535809. The next prime is 425535833. The reversal of 425535822 is 228535524.

It is a happy number.

425535822 is a `hidden beast` number, since 4 + 25 + 53 + 582 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389497 + ... + 390587.

It is an arithmetic number, because the mean of its divisors is an integer number (15331680).

Almost surely, 2^425535822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425535822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490613760).

425535822 is an abundant number, since it is smaller than the sum of its proper divisors (555691698).

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

425535822 is a wasteful number, since it uses less digits than its factorization.

425535822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1360 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 425535822 is about 20628.5196269631. The cubic root of 425535822 is about 752.1631311535.

The spelling of 425535822 in words is "four hundred twenty-five million, five hundred thirty-five thousand, eight hundred twenty-two".