2272326390 has 96 divisors (see below), whose sum is σ = 6059214720. Its totient is φ = 590560512.

The previous prime is 2272326383. The next prime is 2272326449. The reversal of 2272326390 is 936232722.

2272326390 is a `hidden beast` number, since 227 + 23 + 26 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1136872 + ... + 1138868.

It is an arithmetic number, because the mean of its divisors is an integer number (63116820).

Almost surely, 2^2272326390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272326390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029607360).

2272326390 is an abundant number, since it is smaller than the sum of its proper divisors (3786888330).

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

2272326390 is a wasteful number, since it uses less digits than its factorization.

2272326390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2323 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 2272326390 is about 47668.9247833429. The cubic root of 2272326390 is about 1314.6906393475.

The spelling of 2272326390 in words is "two billion, two hundred seventy-two million, three hundred twenty-six thousand, three hundred ninety".