1002223401 has 4 divisors (see below), whose sum is σ = 1336297872. Its totient is φ = 668148932.

The previous prime is 1002223379. The next prime is 1002223493. The reversal of 1002223401 is 1043222001.

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: 1043222001 = 3 ⋅347740667.

It is a cyclic number.

It is not a de Polignac number, because 1002223401 - 2¹³ = 1002215209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002223301) 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, 167037231 + ... + 167037236.

It is an arithmetic number, because the mean of its divisors is an integer number (334074468).

Almost surely, 2^1002223401 is an apocalyptic number.

It is an amenable number.

1002223401 is a deficient number, since it is larger than the sum of its proper divisors (334074471).

1002223401 is an equidigital number, since it uses as much as digits as its factorization.

1002223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334074470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1002223401 is about 31657.9121389898. The cubic root of 1002223401 is about 1000.7405850650.

Adding to 1002223401 its reverse (1043222001), we get a palindrome (2045445402).

The spelling of 1002223401 in words is "one billion, two million, two hundred twenty-three thousand, four hundred one".