2403222231 has 4 divisors (see below), whose sum is σ = 3204296312. Its totient is φ = 1602148152.

The previous prime is 2403222223. The next prime is 2403222281. The reversal of 2403222231 is 1322223042.

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

It is not a de Polignac number, because 2403222231 - 2³ = 2403222223 is a prime.

It is a super-2 number, since 2×2403222231² = 11550954183145234722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403222198 and 2403222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403222281) 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, 400537036 + ... + 400537041.

It is an arithmetic number, because the mean of its divisors is an integer number (801074078).

Almost surely, 2^2403222231 is an apocalyptic number.

2403222231 is a deficient number, since it is larger than the sum of its proper divisors (801074081).

2403222231 is an equidigital number, since it uses as much as digits as its factorization.

2403222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801074080.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2403222231 is about 49022.6705820889. The cubic root of 2403222231 is about 1339.4648176551.

Adding to 2403222231 its reverse (1322223042), we get a palindrome (3725445273).

The spelling of 2403222231 in words is "two billion, four hundred three million, two hundred twenty-two thousand, two hundred thirty-one".