1042222091 has 8 divisors (see below), whose sum is σ = 1069891200. Its totient is φ = 1014660160.

The previous prime is 1042222057. The next prime is 1042222109. The reversal of 1042222091 is 1902222401.

1042222091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1042222091 - 2¹⁰ = 1042221067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896 + ... + 46173.

It is an arithmetic number, because the mean of its divisors is an integer number (133736400).

Almost surely, 2^1042222091 is an apocalyptic number.

1042222091 is a deficient number, since it is larger than the sum of its proper divisors (27669109).

1042222091 is an equidigital number, since it uses as much as digits as its factorization.

1042222091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53589.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1042222091 is about 32283.4646684646. The cubic root of 1042222091 is about 1013.8804714083.

Adding to 1042222091 its reverse (1902222401), we get a palindrome (2944444492).

The spelling of 1042222091 in words is "one billion, forty-two million, two hundred twenty-two thousand, ninety-one".