1522001222 has 8 divisors (see below), whose sum is σ = 2609144976. Its totient is φ = 652286232.

The previous prime is 1522001207. The next prime is 1522001231. The reversal of 1522001222 is 2221002251.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1522001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54357173 + ... + 54357200.

It is an arithmetic number, because the mean of its divisors is an integer number (326143122).

Almost surely, 2^1522001222 is an apocalyptic number.

1522001222 is a deficient number, since it is larger than the sum of its proper divisors (1087143754).

1522001222 is a wasteful number, since it uses less digits than its factorization.

1522001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108714382.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1522001222 is about 39012.8340677783. The cubic root of 1522001222 is about 1150.2837918391.

Adding to 1522001222 its reverse (2221002251), we get a palindrome (3743003473).

The spelling of 1522001222 in words is "one billion, five hundred twenty-two million, one thousand, two hundred twenty-two".