2220415254 has 80 divisors (see below), whose sum is σ = 5327823600. Its totient is φ = 688697856.

The previous prime is 2220415243. The next prime is 2220415273. The reversal of 2220415254 is 4525140222.

2220415254 is a `hidden beast` number, since 2 + 220 + 415 + 25 + 4 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 240577 + ... + 249635.

It is an arithmetic number, because the mean of its divisors is an integer number (66597795).

Almost surely, 2^2220415254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220415254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663911800).

2220415254 is an abundant number, since it is smaller than the sum of its proper divisors (3107408346).

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

2220415254 is a wasteful number, since it uses less digits than its factorization.

2220415254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179 (or 9170 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2220415254 is about 47121.2823891710. The cubic root of 2220415254 is about 1304.6020824059.

Adding to 2220415254 its reverse (4525140222), we get a palindrome (6745555476).

The spelling of 2220415254 in words is "two billion, two hundred twenty million, four hundred fifteen thousand, two hundred fifty-four".