1045223401 has 4 divisors (see below), whose sum is σ = 1054991952. Its totient is φ = 1035454852.

The previous prime is 1045223341. The next prime is 1045223407. The reversal of 1045223401 is 1043225401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1043225401 = 32299².

It is a cyclic number.

It is not a de Polignac number, because 1045223401 - 2⁷ = 1045223273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045223407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4884115 + ... + 4884328.

It is an arithmetic number, because the mean of its divisors is an integer number (263747988).

Almost surely, 2^1045223401 is an apocalyptic number.

It is an amenable number.

1045223401 is a deficient number, since it is larger than the sum of its proper divisors (9768551).

1045223401 is an equidigital number, since it uses as much as digits as its factorization.

1045223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768550.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1045223401 is about 32329.9149550382. The cubic root of 1045223401 is about 1014.8527700252.

Adding to 1045223401 its reverse (1043225401), we get a palindrome (2088448802).

The spelling of 1045223401 in words is "one billion, forty-five million, two hundred twenty-three thousand, four hundred one".