7221106152 has 64 divisors (see below), whose sum is σ = 21601608000. Its totient is φ = 2221877952.

The previous prime is 7221106103. The next prime is 7221106159. The reversal of 7221106152 is 2516011227.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7221106159) 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, 1283002 + ... + 1288617.

It is an arithmetic number, because the mean of its divisors is an integer number (337525125).

Almost surely, 2^7221106152 is an apocalyptic number.

7221106152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7221106152 is an abundant number, since it is smaller than the sum of its proper divisors (14380501848).

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

7221106152 is a wasteful number, since it uses less digits than its factorization.

7221106152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571647 (or 2571637 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 7221106152 is about 84977.0919248241. The cubic root of 7221106152 is about 1932.8637586750.

Adding to 7221106152 its reverse (2516011227), we get a palindrome (9737117379).

The spelling of 7221106152 in words is "seven billion, two hundred twenty-one million, one hundred six thousand, one hundred fifty-two".