1043222401 has 4 divisors (see below), whose sum is σ = 1123470292. Its totient is φ = 962974512.

The previous prime is 1043222399. The next prime is 1043222461. The reversal of 1043222401 is 1042223401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 962240400 = 8999^2 + 31020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043222401 - 2¹ = 1043222399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043222461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40123926 + ... + 40123951.

It is an arithmetic number, because the mean of its divisors is an integer number (280867573).

Almost surely, 2^1043222401 is an apocalyptic number.

It is an amenable number.

1043222401 is a deficient number, since it is larger than the sum of its proper divisors (80247891).

1043222401 is an equidigital number, since it uses as much as digits as its factorization.

1043222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80247890.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1043222401 is about 32298.9535589003. The cubic root of 1043222401 is about 1014.2047370602.

Adding to 1043222401 its reverse (1042223401), we get a palindrome (2085445802).

The spelling of 1043222401 in words is "one billion, forty-three million, two hundred twenty-two thousand, four hundred one".