2221222704 has 40 divisors (see below), whose sum is σ = 5794984752. Its totient is φ = 733075200.

The previous prime is 2221222699. The next prime is 2221222727. The reversal of 2221222704 is 4072221222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224239 + ... + 233934.

Almost surely, 2^2221222704 is an apocalyptic number.

2221222704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221222704 is an abundant number, since it is smaller than the sum of its proper divisors (3573762048).

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

2221222704 is a wasteful number, since it uses less digits than its factorization.

2221222704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458285 (or 458279 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 2221222704 is about 47129.8493950490. The cubic root of 2221222704 is about 1304.7602019718.

Adding to 2221222704 its reverse (4072221222), we get a palindrome (6293443926).

The spelling of 2221222704 in words is "two billion, two hundred twenty-one million, two hundred twenty-two thousand, seven hundred four".