221441032 has 8 divisors (see below), whose sum is σ = 415201950. Its totient is φ = 110720512.

The previous prime is 221440981. The next prime is 221441053. The reversal of 221441032 is 230144122.

It can be written as a sum of positive squares in only one way, i.e., 202379076 + 19061956 = 14226^2 + 4366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×221441032² = 98072261306450048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840057 + ... + 13840072.

Almost surely, 2^221441032 is an apocalyptic number.

It is an amenable number.

221441032 is a deficient number, since it is larger than the sum of its proper divisors (193760918).

221441032 is a wasteful number, since it uses less digits than its factorization.

221441032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680135 (or 27680131 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 221441032 is about 14880.8948655650. The cubic root of 221441032 is about 604.9962725449.

Adding to 221441032 its reverse (230144122), we get a palindrome (451585154).

The spelling of 221441032 in words is "two hundred twenty-one million, four hundred forty-one thousand, thirty-two".