2272909734 has 64 divisors (see below), whose sum is σ = 5151948480. Its totient is φ = 751908096.

The previous prime is 2272909733. The next prime is 2272909759. The reversal of 2272909734 is 4379092722.

It is a super-2 number, since 2×2272909734² = 10332237317823901512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2272909734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272909733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597342 + ... + 601134.

It is an arithmetic number, because the mean of its divisors is an integer number (80499195).

Almost surely, 2^2272909734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272909734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575974240).

2272909734 is an abundant number, since it is smaller than the sum of its proper divisors (2879038746).

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

2272909734 is an equidigital number, since it uses as much as digits as its factorization.

2272909734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2272909734 is about 47675.0430938452. The cubic root of 2272909734 is about 1314.8031307106.

The spelling of 2272909734 in words is "two billion, two hundred seventy-two million, nine hundred nine thousand, seven hundred thirty-four".