7220138152 has 32 divisors (see below), whose sum is σ = 13800575520. Its totient is φ = 3540461760.

The previous prime is 7220138143. The next prime is 7220138161. The reversal of 7220138152 is 2518310227.

It is an interprime number because it is at equal distance from previous prime (7220138143) and next prime (7220138161).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92002 + ... + 151342.

It is an arithmetic number, because the mean of its divisors is an integer number (431267985).

Almost surely, 2^7220138152 is an apocalyptic number.

It is an amenable number.

7220138152 is a deficient number, since it is larger than the sum of its proper divisors (6580437368).

7220138152 is a wasteful number, since it uses less digits than its factorization.

7220138152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59641 (or 59637 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7220138152 is about 84971.3960812696. The cubic root of 7220138152 is about 1932.7773870633. Note that the first 3 decimals are identical.

Adding to 7220138152 its reverse (2518310227), we get a palindrome (9738448379).

The spelling of 7220138152 in words is "seven billion, two hundred twenty million, one hundred thirty-eight thousand, one hundred fifty-two".