222211223001 has 6 divisors (see below), whose sum is σ = 320971766570. Its totient is φ = 148140815328.

The previous prime is 222211222999. The next prime is 222211223009. The reversal of 222211223001 is 100322112222.

222211223001 is a `hidden beast` number, since 22 + 221 + 122 + 300 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 193379183001 + 28832040000 = 439749^2 + 169800^2 .

It is not a de Polignac number, because 222211223001 - 2¹ = 222211222999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211223009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12345067936 + ... + 12345067953.

Almost surely, 2^222211223001 is an apocalyptic number.

It is an amenable number.

222211223001 is a deficient number, since it is larger than the sum of its proper divisors (98760543569).

222211223001 is a wasteful number, since it uses less digits than its factorization.

222211223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690135895 (or 24690135892 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222211223001 its reverse (100322112222), we get a palindrome (322533335223).

The spelling of 222211223001 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty-three thousand, one".