2215525345 has 16 divisors (see below), whose sum is σ = 2955051072. Its totient is φ = 1580887360.

The previous prime is 2215525337. The next prime is 2215525349. The reversal of 2215525345 is 5435255122.

It is not a de Polignac number, because 2215525345 - 2³ = 2215525337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2215525345.

It is not an unprimeable number, because it can be changed into a prime (2215525349) 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, 377107 + ... + 382936.

It is an arithmetic number, because the mean of its divisors is an integer number (184690692).

Almost surely, 2^2215525345 is an apocalyptic number.

It is an amenable number.

2215525345 is a deficient number, since it is larger than the sum of its proper divisors (739525727).

2215525345 is a wasteful number, since it uses less digits than its factorization.

2215525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760112.

The product of its digits is 60000, while the sum is 34.

The square root of 2215525345 is about 47069.3673741214. The cubic root of 2215525345 is about 1303.6436919741.

The spelling of 2215525345 in words is "two billion, two hundred fifteen million, five hundred twenty-five thousand, three hundred forty-five".