2259721546 has 8 divisors (see below), whose sum is σ = 3395780640. Its totient is φ = 1127794668.

The previous prime is 2259721543. The next prime is 2259721553. The reversal of 2259721546 is 6451279522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2259721543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031686 + ... + 1033873.

It is an arithmetic number, because the mean of its divisors is an integer number (424472580).

Almost surely, 2^2259721546 is an apocalyptic number.

2259721546 is a deficient number, since it is larger than the sum of its proper divisors (1136059094).

2259721546 is a wasteful number, since it uses less digits than its factorization.

2259721546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066108.

The product of its digits is 302400, while the sum is 43.

The square root of 2259721546 is about 47536.5285438472. The cubic root of 2259721546 is about 1312.2552194882.

The spelling of 2259721546 in words is "two billion, two hundred fifty-nine million, seven hundred twenty-one thousand, five hundred forty-six".