224021403132 has 48 divisors (see below), whose sum is σ = 553498106112. Its totient is φ = 70276975360.

The previous prime is 224021403127. The next prime is 224021403181. The reversal of 224021403132 is 231304120422.

It is a happy number.

It is a super-2 number, since 2×224021403132² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6351907 + ... + 6387077.

It is an arithmetic number, because the mean of its divisors is an integer number (11531210544).

Almost surely, 2^224021403132 is an apocalyptic number.

It is an amenable number.

224021403132 is an abundant number, since it is smaller than the sum of its proper divisors (329476702980).

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

224021403132 is a wasteful number, since it uses less digits than its factorization.

224021403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66418 (or 66416 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 224021403132 its reverse (231304120422), we get a palindrome (455325523554).

The spelling of 224021403132 in words is "two hundred twenty-four billion, twenty-one million, four hundred three thousand, one hundred thirty-two".