224212021240 has 16 divisors (see below), whose sum is σ = 504477047880. Its totient is φ = 89684808480.

The previous prime is 224212021237. The next prime is 224212021277. The reversal of 224212021240 is 42120212422.

It is a super-2 number, since 2×224212021240² (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 3 ways as a sum of consecutive naturals, for example, 2802650226 + ... + 2802650305.

Almost surely, 2^224212021240 is an apocalyptic number.

224212021240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224212021240 is an abundant number, since it is smaller than the sum of its proper divisors (280265026640).

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

224212021240 is a wasteful number, since it uses less digits than its factorization.

224212021240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605300542 (or 5605300538 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 224212021240 its reverse (42120212422), we get a palindrome (266332233662).

It can be divided in two parts, 2 and 24212021240, that added together give a palindrome (24212021242).

The spelling of 224212021240 in words is "two hundred twenty-four billion, two hundred twelve million, twenty-one thousand, two hundred forty".