72227862 has 96 divisors (see below), whose sum is σ = 189577440. Its totient is φ = 20575296.

The previous prime is 72227839. The next prime is 72227863. The reversal of 72227862 is 26872227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72227863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214158 + ... + 214494.

It is an arithmetic number, because the mean of its divisors is an integer number (1974765).

Almost surely, 2^72227862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72227862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94788720).

72227862 is an abundant number, since it is smaller than the sum of its proper divisors (117349578).

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

72227862 is an equidigital number, since it uses as much as digits as its factorization.

72227862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 349 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 72227862 is about 8498.6976649367. The cubic root of 72227862 is about 416.4551654773.

The spelling of 72227862 in words is "seventy-two million, two hundred twenty-seven thousand, eight hundred sixty-two".