222205225007 has 4 divisors (see below), whose sum is σ = 223954872576. Its totient is φ = 220455577440.

The previous prime is 222205224907. The next prime is 222205225049. The reversal of 222205225007 is 700522502222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222205225007 - 2²⁰ = 222204176431 is a prime.

It is a super-2 number, since 2×222205225007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222205227007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874823594 + ... + 874823847.

It is an arithmetic number, because the mean of its divisors is an integer number (55988718144).

Almost surely, 2^222205225007 is an apocalyptic number.

222205225007 is a deficient number, since it is larger than the sum of its proper divisors (1749647569).

222205225007 is a wasteful number, since it uses less digits than its factorization.

222205225007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749647568.

The product of its (nonzero) digits is 11200, while the sum is 29.

Adding to 222205225007 its reverse (700522502222), we get a palindrome (922727727229).

The spelling of 222205225007 in words is "two hundred twenty-two billion, two hundred five million, two hundred twenty-five thousand, seven".