1404221232 has 20 divisors (see below), whose sum is σ = 3627571640. Its totient is φ = 468073728.

The previous prime is 1404221227. The next prime is 1404221237. The reversal of 1404221232 is 2321224041.

It is an interprime number because it is at equal distance from previous prime (1404221227) and next prime (1404221237).

It is a junction number, because it is equal to n+sod(n) for n = 1404221199 and 1404221208.

It is not an unprimeable number, because it can be changed into a prime (1404221237) 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, 14627257 + ... + 14627352.

It is an arithmetic number, because the mean of its divisors is an integer number (181378582).

Almost surely, 2^1404221232 is an apocalyptic number.

1404221232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404221232 is an abundant number, since it is smaller than the sum of its proper divisors (2223350408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404221232 is a wasteful number, since it uses less digits than its factorization.

1404221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29254620 (or 29254614 counting only the distinct ones).

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

The square root of 1404221232 is about 37472.9399967497. The cubic root of 1404221232 is about 1119.8121581235.

Adding to 1404221232 its reverse (2321224041), we get a palindrome (3725445273).

The spelling of 1404221232 in words is "one billion, four hundred four million, two hundred twenty-one thousand, two hundred thirty-two".