1222057401 has 8 divisors (see below), whose sum is σ = 1634718624. Its totient is φ = 812050560.

The previous prime is 1222057391. The next prime is 1222057433. The reversal of 1222057401 is 1047502221.

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

It is not a de Polignac number, because 1222057401 - 2⁹ = 1222056889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222057301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662520 + ... + 664361.

It is an arithmetic number, because the mean of its divisors is an integer number (204339828).

Almost surely, 2^1222057401 is an apocalyptic number.

It is an amenable number.

1222057401 is a deficient number, since it is larger than the sum of its proper divisors (412661223).

1222057401 is a wasteful number, since it uses less digits than its factorization.

1222057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327191.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1222057401 is about 34957.9375964887. The cubic root of 1222057401 is about 1069.1300469536.

Adding to 1222057401 its reverse (1047502221), we get a palindrome (2269559622).

The spelling of 1222057401 in words is "one billion, two hundred twenty-two million, fifty-seven thousand, four hundred one".