2220431454 has 96 divisors (see below), whose sum is σ = 5232374784. Its totient is φ = 704388960.

The previous prime is 2220431443. The next prime is 2220431459. The reversal of 2220431454 is 4541340222.

2220431454 is a `hidden beast` number, since 2 + 2 + 204 + 3 + 1 + 454 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220431459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3028872 + ... + 3029604.

It is an arithmetic number, because the mean of its divisors is an integer number (54503904).

Almost surely, 2^2220431454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220431454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616187392).

2220431454 is an abundant number, since it is smaller than the sum of its proper divisors (3011943330).

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

2220431454 is a wasteful number, since it uses less digits than its factorization.

2220431454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2220431454 is about 47121.4542857073. The cubic root of 2220431454 is about 1304.6052551612.

Adding to 2220431454 its reverse (4541340222), we get a palindrome (6761771676).

The spelling of 2220431454 in words is "two billion, two hundred twenty million, four hundred thirty-one thousand, four hundred fifty-four".