2278652292 has 108 divisors (see below), whose sum is σ = 7053075120. Its totient is φ = 616768992.

The previous prime is 2278652291. The next prime is 2278652357. The reversal of 2278652292 is 2922568722.

It is not an unprimeable number, because it can be changed into a prime (2278652291) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 478 + ... + 67509.

Almost surely, 2^2278652292 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 2278652292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526537560).

2278652292 is an abundant number, since it is smaller than the sum of its proper divisors (4774422828).

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

2278652292 is a wasteful number, since it uses less digits than its factorization.

2278652292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68030 (or 68018 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2278652292 is about 47735.2311401129. The cubic root of 2278652292 is about 1315.9094927947.

It can be divided in two parts, 22786 and 52292, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 2278652292 in words is "two billion, two hundred seventy-eight million, six hundred fifty-two thousand, two hundred ninety-two".