2862252288 has 378 divisors, whose sum is σ = 9996444654. Its totient is φ = 815173632.

The previous prime is 2862252259. The next prime is 2862252293. The reversal of 2862252288 is 8822522682.

2862252288 is a `hidden beast` number, since 28 + 6 + 22 + 522 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1545433344 + 1316818944 = 39312^2 + 36288^2 .

It is a tau number, because it is divible by the number of its divisors (378).

It is a super-2 number, since 2×2862252288² = 16384976320322469888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 9144420 + ... + 9144732.

Almost surely, 2^2862252288 is an apocalyptic number.

2862252288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2862252288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4998222327).

2862252288 is an abundant number, since it is smaller than the sum of its proper divisors (7134192366).

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

2862252288 is an frugal number, since it uses more digits than its factorization.

2862252288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 325 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 2862252288 is about 53500.0213831733. The cubic root of 2862252288 is about 1419.8287646458.

The spelling of 2862252288 in words is "two billion, eight hundred sixty-two million, two hundred fifty-two thousand, two hundred eighty-eight".