1214522241 has 4 divisors (see below), whose sum is σ = 1619362992. Its totient is φ = 809681492.

The previous prime is 1214522219. The next prime is 1214522251. The reversal of 1214522241 is 1422254121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1422254121 = 3 ⋅474084707.

It is a cyclic number.

It is not a de Polignac number, because 1214522241 - 2¹⁵ = 1214489473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214522251) 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, 202420371 + ... + 202420376.

It is an arithmetic number, because the mean of its divisors is an integer number (404840748).

Almost surely, 2^1214522241 is an apocalyptic number.

It is an amenable number.

1214522241 is a deficient number, since it is larger than the sum of its proper divisors (404840751).

1214522241 is an equidigital number, since it uses as much as digits as its factorization.

1214522241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404840750.

The product of its digits is 1280, while the sum is 24.

The square root of 1214522241 is about 34849.9962840744. The cubic root of 1214522241 is about 1066.9281098184.

Adding to 1214522241 its reverse (1422254121), we get a palindrome (2636776362).

The spelling of 1214522241 in words is "one billion, two hundred fourteen million, five hundred twenty-two thousand, two hundred forty-one".