1500222215 has 8 divisors (see below), whose sum is σ = 1858339968. Its totient is φ = 1161462240.

The previous prime is 1500222211. The next prime is 1500222223. The reversal of 1500222215 is 5122220051.

It is a happy number.

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

It is not a de Polignac number, because 1500222215 - 2² = 1500222211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500222211) 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, 4839272 + ... + 4839581.

It is an arithmetic number, because the mean of its divisors is an integer number (232292496).

Almost surely, 2^1500222215 is an apocalyptic number.

1500222215 is a deficient number, since it is larger than the sum of its proper divisors (358117753).

1500222215 is an equidigital number, since it uses as much as digits as its factorization.

1500222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678889.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1500222215 is about 38732.7021391485. The cubic root of 1500222215 is about 1144.7707670234.

Adding to 1500222215 its reverse (5122220051), we get a palindrome (6622442266).

The spelling of 1500222215 in words is "one billion, five hundred million, two hundred twenty-two thousand, two hundred fifteen".