2415225021 has 16 divisors (see below), whose sum is σ = 3516162048. Its totient is φ = 1462478000.

The previous prime is 2415225017. The next prime is 2415225031. The reversal of 2415225021 is 1205225142.

It is a cyclic number.

It is not a de Polignac number, because 2415225021 - 2² = 2415225017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2415224982 and 2415225000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2415225011) 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, 6190 + ... + 69776.

It is an arithmetic number, because the mean of its divisors is an integer number (219760128).

Almost surely, 2^2415225021 is an apocalyptic number.

It is an amenable number.

2415225021 is a deficient number, since it is larger than the sum of its proper divisors (1100937027).

2415225021 is a wasteful number, since it uses less digits than its factorization.

2415225021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64752.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2415225021 is about 49144.9389154163. The cubic root of 2415225021 is about 1341.6910818922.

The spelling of 2415225021 in words is "two billion, four hundred fifteen million, two hundred twenty-five thousand, twenty-one".