2215620129 has 8 divisors (see below), whose sum is σ = 2954378592. Its totient is φ = 1476970880.

The previous prime is 2215620073. The next prime is 2215620137. The reversal of 2215620129 is 9210265122.

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

It is a cyclic number.

It is not a de Polignac number, because 2215620129 - 2⁹ = 2215619617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215620096 and 2215620105.

It is not an unprimeable number, because it can be changed into a prime (2215620529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59089 + ... + 89009.

It is an arithmetic number, because the mean of its divisors is an integer number (369297324).

Almost surely, 2^2215620129 is an apocalyptic number.

It is an amenable number.

2215620129 is a deficient number, since it is larger than the sum of its proper divisors (738758463).

2215620129 is a wasteful number, since it uses less digits than its factorization.

2215620129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54607.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2215620129 is about 47070.3742177604. The cubic root of 2215620129 is about 1303.6622824184.

The spelling of 2215620129 in words is "two billion, two hundred fifteen million, six hundred twenty thousand, one hundred twenty-nine".