221232322248 has 48 divisors (see below), whose sum is σ = 643379716080. Its totient is φ = 63209234592.

The previous prime is 221232322247. The next prime is 221232322249. The reversal of 221232322248 is 842223232122.

It is an interprime number because it is at equal distance from previous prime (221232322247) and next prime (221232322249).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (221232322247) 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, 94060186 + ... + 94062537.

It is an arithmetic number, because the mean of its divisors is an integer number (13403744085).

Almost surely, 2^221232322248 is an apocalyptic number.

221232322248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

221232322248 is an abundant number, since it is smaller than the sum of its proper divisors (422147393832).

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

221232322248 is a wasteful number, since it uses less digits than its factorization.

221232322248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188122746 (or 188122735 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The spelling of 221232322248 in words is "two hundred twenty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred forty-eight".