1522201214 has 4 divisors (see below), whose sum is σ = 2283301824. Its totient is φ = 761100606.

The previous prime is 1522201211. The next prime is 1522201217. The reversal of 1522201214 is 4121022251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4121022251 = 9811 ⋅420041.

It is an interprime number because it is at equal distance from previous prime (1522201211) and next prime (1522201217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522201211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380550302 + ... + 380550305.

It is an arithmetic number, because the mean of its divisors is an integer number (570825456).

Almost surely, 2^1522201214 is an apocalyptic number.

1522201214 is a deficient number, since it is larger than the sum of its proper divisors (761100610).

1522201214 is an equidigital number, since it uses as much as digits as its factorization.

1522201214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761100609.

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

The square root of 1522201214 is about 39015.3971401035. The cubic root of 1522201214 is about 1150.3341723244.

Adding to 1522201214 its reverse (4121022251), we get a palindrome (5643223465).

The spelling of 1522201214 in words is "one billion, five hundred twenty-two million, two hundred one thousand, two hundred fourteen".