221013034 has 48 divisors (see below), whose sum is σ = 379630944. Its totient is φ = 96354720.

The previous prime is 221013029. The next prime is 221013047. The reversal of 221013034 is 430310122.

It is a happy number.

It is a super-3 number, since 3×221013034³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 221012999 and 221013017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697044 + ... + 697360.

It is an arithmetic number, because the mean of its divisors is an integer number (7908978).

Almost surely, 2^221013034 is an apocalyptic number.

221013034 is a deficient number, since it is larger than the sum of its proper divisors (158617910).

221013034 is a wasteful number, since it uses less digits than its factorization.

221013034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221013034 is about 14866.5071217149. The cubic root of 221013034 is about 604.6062451638.

Adding to 221013034 its reverse (430310122), we get a palindrome (651323156).

The spelling of 221013034 in words is "two hundred twenty-one million, thirteen thousand, thirty-four".