2259422460 has 72 divisors (see below), whose sum is σ = 6879206880. Its totient is φ = 600259968.

The previous prime is 2259422443. The next prime is 2259422479. The reversal of 2259422460 is 642249522.

It is a happy number.

2259422460 is a `hidden beast` number, since 2 + 2 + 594 + 2 + 2 + 4 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25089 + ... + 71751.

It is an arithmetic number, because the mean of its divisors is an integer number (95544540).

Almost surely, 2^2259422460 is an apocalyptic number.

2259422460 is a gapful number since it is divisible by the number (20) 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 2259422460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3439603440).

2259422460 is an abundant number, since it is smaller than the sum of its proper divisors (4619784420).

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

2259422460 is a wasteful number, since it uses less digits than its factorization.

2259422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46947 (or 46942 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2259422460 is about 47533.3825852947. The cubic root of 2259422460 is about 1312.1973223132.

It can be divided in two parts, 22594 and 22460, that added together give a palindrome (45054).

The spelling of 2259422460 in words is "two billion, two hundred fifty-nine million, four hundred twenty-two thousand, four hundred sixty".