7216226490 has 32 divisors (see below), whose sum is σ = 18893393856. Its totient is φ = 1749388160.

The previous prime is 7216226477. The next prime is 7216226497. The reversal of 7216226490 is 946226127.

It is not an unprimeable number, because it can be changed into a prime (7216226497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10933347 + ... + 10934006.

It is an arithmetic number, because the mean of its divisors is an integer number (590418558).

Almost surely, 2^7216226490 is an apocalyptic number.

7216226490 is an abundant number, since it is smaller than the sum of its proper divisors (11677167366).

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

7216226490 is a wasteful number, since it uses less digits than its factorization.

7216226490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21867374.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 7216226490 is about 84948.3754406169. The cubic root of 7216226490 is about 1932.4282830508.

The spelling of 7216226490 in words is "seven billion, two hundred sixteen million, two hundred twenty-six thousand, four hundred ninety".