1222134201 has 12 divisors (see below), whose sum is σ = 1795226160. Its totient is φ = 800946360.

The previous prime is 1222134197. The next prime is 1222134209. The reversal of 1222134201 is 1024312221.

It is a happy number.

It is not a de Polignac number, because 1222134201 - 2² = 1222134197 is a prime.

It is a super-2 number, since 2×1222134201² = 2987224010507816802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222134209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150255 + ... + 1151316.

It is an arithmetic number, because the mean of its divisors is an integer number (149602180).

Almost surely, 2^1222134201 is an apocalyptic number.

It is an amenable number.

1222134201 is a deficient number, since it is larger than the sum of its proper divisors (573091959).

1222134201 is a wasteful number, since it uses less digits than its factorization.

1222134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301636 (or 2301633 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1222134201 is about 34959.0360422023. The cubic root of 1222134201 is about 1069.1524429195.

Adding to 1222134201 its reverse (1024312221), we get a palindrome (2246446422).

The spelling of 1222134201 in words is "one billion, two hundred twenty-two million, one hundred thirty-four thousand, two hundred one".