7221106154 has 8 divisors (see below), whose sum is σ = 10894270500. Its totient is φ = 3589682656.

The previous prime is 7221106103. The next prime is 7221106159. The reversal of 7221106154 is 4516011227.

It can be written as a sum of positive squares in 2 ways, for example, as 7221090529 + 15625 = 84977^2 + 125^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7221106159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10434779 + ... + 10435470.

Almost surely, 2^7221106154 is an apocalyptic number.

7221106154 is a deficient number, since it is larger than the sum of its proper divisors (3673164346).

7221106154 is a wasteful number, since it uses less digits than its factorization.

7221106154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20870424.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 7221106154 is about 84977.0919365919. The cubic root of 7221106154 is about 1932.8637588534.

The spelling of 7221106154 in words is "seven billion, two hundred twenty-one million, one hundred six thousand, one hundred fifty-four".