2522146463 has 4 divisors (see below), whose sum is σ = 2528630520. Its totient is φ = 2515662408.

The previous prime is 2522146427. The next prime is 2522146483. The reversal of 2522146463 is 3646412252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522146463 is a prime.

It is a super-2 number, since 2×2522146463² = 12722445561646820738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522146483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241445 + ... + 3242222.

It is an arithmetic number, because the mean of its divisors is an integer number (632157630).

Almost surely, 2^2522146463 is an apocalyptic number.

2522146463 is a deficient number, since it is larger than the sum of its proper divisors (6484057).

2522146463 is an equidigital number, since it uses as much as digits as its factorization.

2522146463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484056.

The product of its digits is 69120, while the sum is 35.

The square root of 2522146463 is about 50220.9763246395. The cubic root of 2522146463 is about 1361.2046821141.

The spelling of 2522146463 in words is "two billion, five hundred twenty-two million, one hundred forty-six thousand, four hundred sixty-three".