2220451004 has 24 divisors (see below), whose sum is σ = 4194560160. Its totient is φ = 1025334464.

The previous prime is 2220450997. The next prime is 2220451007. The reversal of 2220451004 is 4001540222.

It is a happy number.

It is a super-2 number, since 2×2220451004² = 9860805322329216032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220451007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413459 + ... + 418794.

It is an arithmetic number, because the mean of its divisors is an integer number (174773340).

Almost surely, 2^2220451004 is an apocalyptic number.

It is an amenable number.

2220451004 is a deficient number, since it is larger than the sum of its proper divisors (1974109156).

2220451004 is a wasteful number, since it uses less digits than its factorization.

2220451004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832309 (or 832307 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2220451004 is about 47121.6617279145. The cubic root of 2220451004 is about 1304.6090839903.

Adding to 2220451004 its reverse (4001540222), we get a palindrome (6221991226).

The spelling of 2220451004 in words is "two billion, two hundred twenty million, four hundred fifty-one thousand, four".