2422643525 has 12 divisors (see below), whose sum is σ = 3004690500. Its totient is φ = 1937719680.

The previous prime is 2422643519. The next prime is 2422643527. The reversal of 2422643525 is 5253462242.

It can be written as a sum of positive squares in 6 ways, for example, as 261695329 + 2160948196 = 16177^2 + 46486^2 .

It is not a de Polignac number, because 2422643525 - 2¹⁰ = 2422642501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422643527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220871 + ... + 231579.

It is an arithmetic number, because the mean of its divisors is an integer number (250390875).

Almost surely, 2^2422643525 is an apocalyptic number.

2422643525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2422643525 is a deficient number, since it is larger than the sum of its proper divisors (582046975).

2422643525 is a wasteful number, since it uses less digits than its factorization.

2422643525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19768 (or 19763 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 2422643525 is about 49220.3568150415. The cubic root of 2422643525 is about 1343.0633718680.

The spelling of 2422643525 in words is "two billion, four hundred twenty-two million, six hundred forty-three thousand, five hundred twenty-five".