1403422221 has 8 divisors (see below), whose sum is σ = 1892255040. Its totient is φ = 925102112.

The previous prime is 1403422217. The next prime is 1403422231. The reversal of 1403422221 is 1222243041.

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 1403422221 - 2² = 1403422217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403422231) 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, 2627865 + ... + 2628398.

It is an arithmetic number, because the mean of its divisors is an integer number (236531880).

Almost surely, 2^1403422221 is an apocalyptic number.

It is an amenable number.

1403422221 is a deficient number, since it is larger than the sum of its proper divisors (488832819).

1403422221 is an equidigital number, since it uses as much as digits as its factorization.

1403422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256355.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1403422221 is about 37462.2773066454. The cubic root of 1403422221 is about 1119.5997243630.

Adding to 1403422221 its reverse (1222243041), we get a palindrome (2625665262).

The spelling of 1403422221 in words is "one billion, four hundred three million, four hundred twenty-two thousand, two hundred twenty-one".