1222125541 has 16 divisors (see below), whose sum is σ = 1505123200. Its totient is φ = 966333888.

The previous prime is 1222125521. The next prime is 1222125547. The reversal of 1222125541 is 1455212221.

It is not a de Polignac number, because 1222125541 - 2⁷ = 1222125413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222125547) 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, 181330 + ... + 187948.

It is an arithmetic number, because the mean of its divisors is an integer number (94070200).

Almost surely, 2^1222125541 is an apocalyptic number.

It is an amenable number.

1222125541 is a deficient number, since it is larger than the sum of its proper divisors (282997659).

1222125541 is a wasteful number, since it uses less digits than its factorization.

1222125541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668.

The product of its digits is 1600, while the sum is 25.

The square root of 1222125541 is about 34958.9121827325. The cubic root of 1222125541 is about 1069.1499175880.

Adding to 1222125541 its reverse (1455212221), we get a palindrome (2677337762).

The spelling of 1222125541 in words is "one billion, two hundred twenty-two million, one hundred twenty-five thousand, five hundred forty-one".