42736251222 has 96 divisors (see below), whose sum is σ = 107734536000. Its totient is φ = 11991665664.

The previous prime is 42736251221. The next prime is 42736251223. The reversal of 42736251222 is 22215263724.

42736251222 is a `hidden beast` number, since 4 + 2 + 7 + 3 + 625 + 1 + 2 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (42736251221) and next prime (42736251223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42736251221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1658098 + ... + 1683674.

It is an arithmetic number, because the mean of its divisors is an integer number (1122234750).

Almost surely, 2^42736251222 is an apocalyptic number.

42736251222 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 42736251222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53867268000).

42736251222 is an abundant number, since it is smaller than the sum of its proper divisors (64998284778).

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

42736251222 is a wasteful number, since it uses less digits than its factorization.

42736251222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25830 (or 25827 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The spelling of 42736251222 in words is "forty-two billion, seven hundred thirty-six million, two hundred fifty-one thousand, two hundred twenty-two".