1201450222 has 32 divisors (see below), whose sum is σ = 2136844800. Its totient is φ = 495706848.

The previous prime is 1201450189. The next prime is 1201450223. The reversal of 1201450222 is 2220541021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201450222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201450223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141633 + ... + 149875.

It is an arithmetic number, because the mean of its divisors is an integer number (66776400).

Almost surely, 2^1201450222 is an apocalyptic number.

1201450222 is a deficient number, since it is larger than the sum of its proper divisors (935394578).

1201450222 is a wasteful number, since it uses less digits than its factorization.

1201450222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1201450222 is about 34661.9419825260. The cubic root of 1201450222 is about 1063.0864776381.

Adding to 1201450222 its reverse (2220541021), we get a palindrome (3421991243).

The spelling of 1201450222 in words is "one billion, two hundred one million, four hundred fifty thousand, two hundred twenty-two".