1222554201 has 16 divisors (see below), whose sum is σ = 1882865088. Its totient is φ = 697356800.

The previous prime is 1222554191. The next prime is 1222554209. The reversal of 1222554201 is 1024552221.

It is a cyclic number.

It is not a de Polignac number, because 1222554201 - 2⁵ = 1222554169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222554209) 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, 1089060 + ... + 1090181.

It is an arithmetic number, because the mean of its divisors is an integer number (117679068).

Almost surely, 2^1222554201 is an apocalyptic number.

1222554201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222554201 is a deficient number, since it is larger than the sum of its proper divisors (660310887).

1222554201 is a wasteful number, since it uses less digits than its factorization.

1222554201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179272.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1222554201 is about 34965.0425568167. The cubic root of 1222554201 is about 1069.2749042651.

The spelling of 1222554201 in words is "one billion, two hundred twenty-two million, five hundred fifty-four thousand, two hundred one".