1404223420 has 48 divisors (see below), whose sum is σ = 3000009600. Its totient is φ = 552015360.

The previous prime is 1404223397. The next prime is 1404223427. The reversal of 1404223420 is 243224041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1404223391 and 1404223400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404223427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359880 + ... + 363760.

It is an arithmetic number, because the mean of its divisors is an integer number (62500200).

Almost surely, 2^1404223420 is an apocalyptic number.

1404223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404223420 is an abundant number, since it is smaller than the sum of its proper divisors (1595786180).

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

1404223420 is a wasteful number, since it uses less digits than its factorization.

1404223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198 (or 4196 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1404223420 is about 37472.9691911383. The cubic root of 1404223420 is about 1119.8127397384.

Adding to 1404223420 its reverse (243224041), we get a palindrome (1647447461).

The spelling of 1404223420 in words is "one billion, four hundred four million, two hundred twenty-three thousand, four hundred twenty".