403449222 has 64 divisors (see below), whose sum is σ = 910393344. Its totient is φ = 118139040.

The previous prime is 403449169. The next prime is 403449259. The reversal of 403449222 is 222944304.

It is a self number, because there is not a number n which added to its sum of digits gives 403449222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256683 + ... + 258249.

It is an arithmetic number, because the mean of its divisors is an integer number (14224896).

Almost surely, 2^403449222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403449222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455196672).

403449222 is an abundant number, since it is smaller than the sum of its proper divisors (506944122).

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

403449222 is a wasteful number, since it uses less digits than its factorization.

403449222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 403449222 is about 20086.0454544940. The cubic root of 403449222 is about 738.9180817213.

The spelling of 403449222 in words is "four hundred three million, four hundred forty-nine thousand, two hundred twenty-two".