403220452 has 24 divisors (see below), whose sum is σ = 739569600. Its totient is φ = 191992416.

The previous prime is 403220423. The next prime is 403220453. The reversal of 403220452 is 254022304.

It is a super-2 number, since 2×403220452² = 325173465822168608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403220453) 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, 11499 + ... + 30637.

It is an arithmetic number, because the mean of its divisors is an integer number (30815400).

Almost surely, 2^403220452 is an apocalyptic number.

It is an amenable number.

403220452 is a deficient number, since it is larger than the sum of its proper divisors (336349148).

403220452 is a wasteful number, since it uses less digits than its factorization.

403220452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19395 (or 19393 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 403220452 is about 20080.3498973499. The cubic root of 403220452 is about 738.7783910726.

Adding to 403220452 its reverse (254022304), we get a palindrome (657242756).

The spelling of 403220452 in words is "four hundred three million, two hundred twenty thousand, four hundred fifty-two".