7221487334 has 8 divisors (see below), whose sum is σ = 11036612880. Its totient is φ = 3542616376.

The previous prime is 7221487333. The next prime is 7221487367. The reversal of 7221487334 is 4337841227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7221487291 and 7221487300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221487333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34063514 + ... + 34063725.

It is an arithmetic number, because the mean of its divisors is an integer number (1379576610).

Almost surely, 2^7221487334 is an apocalyptic number.

7221487334 is a deficient number, since it is larger than the sum of its proper divisors (3815125546).

7221487334 is a wasteful number, since it uses less digits than its factorization.

7221487334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68127294.

The product of its digits is 225792, while the sum is 41.

The square root of 7221487334 is about 84979.3347467489. The cubic root of 7221487334 is about 1932.8977682341.

The spelling of 7221487334 in words is "seven billion, two hundred twenty-one million, four hundred eighty-seven thousand, three hundred thirty-four".