2271452890 has 32 divisors (see below), whose sum is σ = 4786677504. Its totient is φ = 759788160.

The previous prime is 2271452867. The next prime is 2271452917. The reversal of 2271452890 is 982541722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392854 + ... + 398593.

It is an arithmetic number, because the mean of its divisors is an integer number (149583672).

Almost surely, 2^2271452890 is an apocalyptic number.

2271452890 is an abundant number, since it is smaller than the sum of its proper divisors (2515224614).

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

2271452890 is a wasteful number, since it uses less digits than its factorization.

2271452890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791502.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2271452890 is about 47659.7617492996. The cubic root of 2271452890 is about 1314.5221586429.

The spelling of 2271452890 in words is "two billion, two hundred seventy-one million, four hundred fifty-two thousand, eight hundred ninety".