222015001 has 8 divisors (see below), whose sum is σ = 240920064. Its totient is φ = 203370960.

The previous prime is 222014993. The next prime is 222015007. The reversal of 222015001 is 100510222.

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

It is not a de Polignac number, because 222015001 - 2³ = 222014993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222015007) 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, 63481 + ... + 66886.

It is an arithmetic number, because the mean of its divisors is an integer number (30115008).

Almost surely, 2^222015001 is an apocalyptic number.

It is an amenable number.

222015001 is a deficient number, since it is larger than the sum of its proper divisors (18905063).

222015001 is a wasteful number, since it uses less digits than its factorization.

222015001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130511.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 222015001 is about 14900.1678178469. The cubic root of 222015001 is about 605.5185327507.

Adding to 222015001 its reverse (100510222), we get a palindrome (322525223).

The spelling of 222015001 in words is "two hundred twenty-two million, fifteen thousand, one".