7222450224 has 80 divisors (see below), whose sum is σ = 20365196544. Its totient is φ = 2187436800.

The previous prime is 7222450201. The next prime is 7222450231. The reversal of 7222450224 is 4220542227.

It is a Cunningham number, because it is equal to 84985²-1.

It is a junction number, because it is equal to n+sod(n) for n = 7222450191 and 7222450200.

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, 1867717 + ... + 1871579.

Almost surely, 2^7222450224 is an apocalyptic number.

It is an amenable number.

7222450224 is an abundant number, since it is smaller than the sum of its proper divisors (13142746320).

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

7222450224 is a wasteful number, since it uses less digits than its factorization.

7222450224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426 (or 7420 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 7222450224 is about 84984.9999941166. Note that the first 5 decimals coincide. The cubic root of 7222450224 is about 1932.9836732161.

It can be divided in two parts, 7222 and 450224, that added together give a triangular number (457446 = T₉₅₆).

The spelling of 7222450224 in words is "seven billion, two hundred twenty-two million, four hundred fifty thousand, two hundred twenty-four".