2521622330 has 16 divisors (see below), whose sum is σ = 4596376320. Its totient is φ = 995880912.

The previous prime is 2521622321. The next prime is 2521622351. The reversal of 2521622330 is 332261252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521622330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595174 + ... + 1596753.

It is an arithmetic number, because the mean of its divisors is an integer number (287273520).

Almost surely, 2^2521622330 is an apocalyptic number.

2521622330 is a deficient number, since it is larger than the sum of its proper divisors (2074753990).

2521622330 is a wasteful number, since it uses less digits than its factorization.

2521622330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192013.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2521622330 is about 50215.7577857788. The cubic root of 2521622330 is about 1361.1103839001.

Adding to 2521622330 its reverse (332261252), we get a palindrome (2853883582).

The spelling of 2521622330 in words is "two billion, five hundred twenty-one million, six hundred twenty-two thousand, three hundred thirty".