2572638222 has 32 divisors (see below), whose sum is σ = 6414891264. Its totient is φ = 668217600.

The previous prime is 2572638163. The next prime is 2572638223. The reversal of 2572638222 is 2228362752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572638223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2783779 + ... + 2784702.

It is an arithmetic number, because the mean of its divisors is an integer number (200465352).

Almost surely, 2^2572638222 is an apocalyptic number.

2572638222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2572638222 is an abundant number, since it is smaller than the sum of its proper divisors (3842253042).

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

2572638222 is a wasteful number, since it uses less digits than its factorization.

2572638222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568504.

The product of its digits is 161280, while the sum is 39.

The square root of 2572638222 is about 50721.1811968136. The cubic root of 2572638222 is about 1370.2282145970.

The spelling of 2572638222 in words is "two billion, five hundred seventy-two million, six hundred thirty-eight thousand, two hundred twenty-two".