2273842870 has 32 divisors (see below), whose sum is σ = 4549950720. Its totient is φ = 812488320.

The previous prime is 2273842861. The next prime is 2273842873. The reversal of 2273842870 is 782483722.

It is a happy number.

It is a super-2 number, since 2×2273842870² = 10340722794899673800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273842873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278085 + ... + 286144.

It is an arithmetic number, because the mean of its divisors is an integer number (142185960).

Almost surely, 2^2273842870 is an apocalyptic number.

2273842870 is an abundant number, since it is smaller than the sum of its proper divisors (2276107850).

2273842870 is a wasteful number, since it uses less digits than its factorization.

2273842870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564280.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 2273842870 is about 47684.8285097053. The cubic root of 2273842870 is about 1314.9830355342.

The spelling of 2273842870 in words is "two billion, two hundred seventy-three million, eight hundred forty-two thousand, eight hundred seventy".