221411635025248 has 12 divisors (see below), whose sum is σ = 435904156456020. Its totient is φ = 110705817512608.

The previous prime is 221411635025177. The next prime is 221411635025249. The reversal of 221411635025248 is 842520536114122.

It is a super-2 number, since 2×221411635025248² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221411635025198 and 221411635025207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411635025249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459556797238 + ... + 3459556797301.

It is an arithmetic number, because the mean of its divisors is an integer number (36325346371335).

Almost surely, 2^{221411635025248} is an apocalyptic number.

It is an amenable number.

221411635025248 is a deficient number, since it is larger than the sum of its proper divisors (214492521430772).

221411635025248 is an equidigital number, since it uses as much as digits as its factorization.

221411635025248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919113594549 (or 6919113594541 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 221411635025248 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred thirty-five million, twenty-five thousand, two hundred forty-eight".