2215452525 has 144 divisors (see below), whose sum is σ = 4405343040. Its totient is φ = 975744000.

The previous prime is 2215452487. The next prime is 2215452539. The reversal of 2215452525 is 5252545122.

It is a happy number.

It is not a de Polignac number, because 2215452525 - 2¹¹ = 2215450477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10499670 + ... + 10499880.

It is an arithmetic number, because the mean of its divisors is an integer number (30592660).

Almost surely, 2^2215452525 is an apocalyptic number.

2215452525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215452525 is a deficient number, since it is larger than the sum of its proper divisors (2189890515).

2215452525 is a wasteful number, since it uses less digits than its factorization.

2215452525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 332 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 2215452525 is about 47068.5938285817. The cubic root of 2215452525 is about 1303.6294090752.

Adding to 2215452525 its reverse (5252545122), we get a palindrome (7467997647).

The spelling of 2215452525 in words is "two billion, two hundred fifteen million, four hundred fifty-two thousand, five hundred twenty-five".