1220230625526 has 24 divisors (see below), whose sum is σ = 2884181478984. Its totient is φ = 369766856160.

The previous prime is 1220230625431. The next prime is 1220230625591. The reversal of 1220230625526 is 6255260320221.

1220230625526 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 2 + 3 + 0 + 625 + 5 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3081390271 + ... + 3081390666.

It is an arithmetic number, because the mean of its divisors is an integer number (120174228291).

Almost surely, 2^{1220230625526} is an apocalyptic number.

1220230625526 is an abundant number, since it is smaller than the sum of its proper divisors (1663950853458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220230625526 is a wasteful number, since it uses less digits than its factorization.

1220230625526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162780956 (or 6162780953 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1220230625526 its reverse (6255260320221), we get a palindrome (7475490945747).

The spelling of 1220230625526 in words is "one trillion, two hundred twenty billion, two hundred thirty million, six hundred twenty-five thousand, five hundred twenty-six".