422603151156 has 72 divisors (see below), whose sum is σ = 1100624647304. Its totient is φ = 136622453760.

The previous prime is 422603151121. The next prime is 422603151221. The reversal of 422603151156 is 651151306224.

422603151156 is a `hidden beast` number, since 4 + 2 + 2 + 60 + 31 + 511 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 129120923556 + 293482227600 = 359334^2 + 541740^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 422603151156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89905 + ... + 923736.

Almost surely, 2^422603151156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422603151156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550312323652).

422603151156 is an abundant number, since it is smaller than the sum of its proper divisors (678021496148).

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

422603151156 is a wasteful number, since it uses less digits than its factorization.

422603151156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014001 (or 1013996 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 422603151156 in words is "four hundred twenty-two billion, six hundred three million, one hundred fifty-one thousand, one hundred fifty-six".