2251522351 has 8 divisors (see below), whose sum is σ = 2427064640. Its totient is φ = 2076315552.

The previous prime is 2251522321. The next prime is 2251522373. The reversal of 2251522351 is 1532251522.

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 2251522351 - 2⁵ = 2251522319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251522321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69840 + ... + 96853.

It is an arithmetic number, because the mean of its divisors is an integer number (303383080).

Almost surely, 2^2251522351 is an apocalyptic number.

2251522351 is a deficient number, since it is larger than the sum of its proper divisors (175542289).

2251522351 is a wasteful number, since it uses less digits than its factorization.

2251522351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167745.

The product of its digits is 6000, while the sum is 28.

The square root of 2251522351 is about 47450.2091776211. The cubic root of 2251522351 is about 1310.6661629424. Note that the first 3 decimals are identical.

Adding to 2251522351 its reverse (1532251522), we get a palindrome (3783773873).

The spelling of 2251522351 in words is "two billion, two hundred fifty-one million, five hundred twenty-two thousand, three hundred fifty-one".