221141262 has 16 divisors (see below), whose sum is σ = 442449792. Its totient is φ = 73685880.

The previous prime is 221141257. The next prime is 221141351. The reversal of 221141262 is 262141122.

221141262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16087 + ... + 26477.

It is an arithmetic number, because the mean of its divisors is an integer number (27653112).

Almost surely, 2^221141262 is an apocalyptic number.

221141262 is an abundant number, since it is smaller than the sum of its proper divisors (221308530).

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

221141262 is a wasteful number, since it uses less digits than its factorization.

221141262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13943.

The product of its digits is 384, while the sum is 21.

The square root of 221141262 is about 14870.8191435442. The cubic root of 221141262 is about 604.7231499750.

Adding to 221141262 its reverse (262141122), we get a palindrome (483282384).

The spelling of 221141262 in words is "two hundred twenty-one million, one hundred forty-one thousand, two hundred sixty-two".