2222221607 has 8 divisors (see below), whose sum is σ = 2315008080. Its totient is φ = 2131272640.

The previous prime is 2222221583. The next prime is 2222221633. The reversal of 2222221607 is 7061222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222221607 - 2¹⁸ = 2221959463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222221637) 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, 456908 + ... + 461745.

It is an arithmetic number, because the mean of its divisors is an integer number (289376010).

Almost surely, 2^2222221607 is an apocalyptic number.

2222221607 is a deficient number, since it is larger than the sum of its proper divisors (92786473).

2222221607 is an equidigital number, since it uses as much as digits as its factorization.

2222221607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918753.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2222221607 is about 47140.4455536856. The cubic root of 2222221607 is about 1304.9557599639.

Adding to 2222221607 its reverse (7061222222), we get a palindrome (9283443829).

The spelling of 2222221607 in words is "two billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred seven".