1222205254 has 8 divisors (see below), whose sum is σ = 1875943080. Its totient is φ = 596890896.

The previous prime is 1222205239. The next prime is 1222205273. The reversal of 1222205254 is 4525022221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7105759 + ... + 7105930.

It is an arithmetic number, because the mean of its divisors is an integer number (234492885).

Almost surely, 2^1222205254 is an apocalyptic number.

1222205254 is a deficient number, since it is larger than the sum of its proper divisors (653737826).

1222205254 is a wasteful number, since it uses less digits than its factorization.

1222205254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211734.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1222205254 is about 34960.0522596863. The cubic root of 1222205254 is about 1069.1731621434.

Adding to 1222205254 its reverse (4525022221), we get a palindrome (5747227475).

The spelling of 1222205254 in words is "one billion, two hundred twenty-two million, two hundred five thousand, two hundred fifty-four".