2278272276 has 72 divisors (see below), whose sum is σ = 6597689280. Its totient is φ = 649351296.

The previous prime is 2278272263. The next prime is 2278272281. The reversal of 2278272276 is 6722728722.

2278272276 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2278272276³ (a number of 29 digits) contains 333 as substring.

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, 94800 + ... + 116376.

Almost surely, 2^2278272276 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 2278272276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298844640).

2278272276 is an abundant number, since it is smaller than the sum of its proper divisors (4319417004).

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

2278272276 is a wasteful number, since it uses less digits than its factorization.

2278272276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22013 (or 22008 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 2278272276 is about 47731.2505178735. The cubic root of 2278272276 is about 1315.8363363263.

The spelling of 2278272276 in words is "two billion, two hundred seventy-eight million, two hundred seventy-two thousand, two hundred seventy-six".