2756222140 has 24 divisors (see below), whose sum is σ = 6614933472. Its totient is φ = 944990400.

The previous prime is 2756222129. The next prime is 2756222143. The reversal of 2756222140 is 412226572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756222143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9843511 + ... + 9843790.

It is an arithmetic number, because the mean of its divisors is an integer number (275622228).

Almost surely, 2^2756222140 is an apocalyptic number.

2756222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2756222140 is an abundant number, since it is smaller than the sum of its proper divisors (3858711332).

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

2756222140 is a wasteful number, since it uses less digits than its factorization.

2756222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19687317 (or 19687315 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2756222140 is about 52499.7346659962. The cubic root of 2756222140 is about 1402.0755167392.

The spelling of 2756222140 in words is "two billion, seven hundred fifty-six million, two hundred twenty-two thousand, one hundred forty".