29221047752 has 36 divisors (see below), whose sum is σ = 59341000995. Its totient is φ = 13483736448.

The previous prime is 29221047749. The next prime is 29221047833. The reversal of 29221047752 is 25774012292.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 21563747716 + 7657300036 = 146846^2 + 87506^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=120874.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6283124 + ... + 6287772.

Almost surely, 2^29221047752 is an apocalyptic number.

It is an amenable number.

29221047752 is an abundant number, since it is smaller than the sum of its proper divisors (30119953243).

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

29221047752 is an frugal number, since it uses more digits than its factorization.

29221047752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330 (or 4664 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 29221047752 in words is "twenty-nine billion, two hundred twenty-one million, forty-seven thousand, seven hundred fifty-two".