2220004372 has 6 divisors (see below), whose sum is σ = 3885007658. Its totient is φ = 1110002184.

The previous prime is 2220004363. The next prime is 2220004379. The reversal of 2220004372 is 2734000222.

It can be written as a sum of positive squares in only one way, i.e., 1677393936 + 542610436 = 40956^2 + 23294^2 .

It is a super-3 number, since 3×2220004372³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220004379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277500543 + ... + 277500550.

Almost surely, 2^2220004372 is an apocalyptic number.

It is an amenable number.

2220004372 is a deficient number, since it is larger than the sum of its proper divisors (1665003286).

2220004372 is a wasteful number, since it uses less digits than its factorization.

2220004372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555001097 (or 555001095 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2220004372 is about 47116.9223528023. The cubic root of 2220004372 is about 1304.5216063810.

Adding to 2220004372 its reverse (2734000222), we get a palindrome (4954004594).

The spelling of 2220004372 in words is "two billion, two hundred twenty million, four thousand, three hundred seventy-two".