425223322524 has 288 divisors, whose sum is σ = 1444705726464. Its totient is φ = 101844034560.

The previous prime is 425223322519. The next prime is 425223322541.

425223322524 is a `hidden beast` number, since 42 + 52 + 23 + 3 + 22 + 524 = 666.

425223322524 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37219477 + ... + 37230899.

It is an arithmetic number, because the mean of its divisors is an integer number (5016339328).

Almost surely, 2^425223322524 is an apocalyptic number.

425223322524 is a gapful number since it is divisible by the number (44) 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 425223322524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722352863232).

425223322524 is an abundant number, since it is smaller than the sum of its proper divisors (1019482403940).

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

425223322524 is a wasteful number, since it uses less digits than its factorization.

425223322524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497 (or 12492 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

It can be divided in two parts, 425223 and 322524, that added together give a palindrome (747747).

The spelling of 425223322524 in words is "four hundred twenty-five billion, two hundred twenty-three million, three hundred twenty-two thousand, five hundred twenty-four".