1215150422 has 8 divisors (see below), whose sum is σ = 1839760776. Its totient is φ = 601896832.

The previous prime is 1215150383. The next prime is 1215150427. The reversal of 1215150422 is 2240515121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215150427) 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, 2838923 + ... + 2839350.

It is an arithmetic number, because the mean of its divisors is an integer number (229970097).

Almost surely, 2^1215150422 is an apocalyptic number.

1215150422 is a deficient number, since it is larger than the sum of its proper divisors (624610354).

1215150422 is a wasteful number, since it uses less digits than its factorization.

1215150422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678382.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1215150422 is about 34859.0077598316. The cubic root of 1215150422 is about 1067.1120253327.

Adding to 1215150422 its reverse (2240515121), we get a palindrome (3455665543).

The spelling of 1215150422 in words is "one billion, two hundred fifteen million, one hundred fifty thousand, four hundred twenty-two".