1422221015 has 8 divisors (see below), whose sum is σ = 1707380160. Its totient is φ = 1137300192.

The previous prime is 1422221011. The next prime is 1422221083. The reversal of 1422221015 is 5101222241.

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 1422221015 - 2² = 1422221011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422221011) 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, 46175 + ... + 70544.

It is an arithmetic number, because the mean of its divisors is an integer number (213422520).

Almost surely, 2^1422221015 is an apocalyptic number.

1422221015 is a deficient number, since it is larger than the sum of its proper divisors (285159145).

1422221015 is a wasteful number, since it uses less digits than its factorization.

1422221015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119161.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1422221015 is about 37712.3456576225. The cubic root of 1422221015 is about 1124.5765688781.

Adding to 1422221015 its reverse (5101222241), we get a palindrome (6523443256).

The spelling of 1422221015 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, fifteen".