221043342622 has 32 divisors (see below), whose sum is σ = 385613395200. Its totient is φ = 94261039488.

The previous prime is 221043342587. The next prime is 221043342629. The reversal of 221043342622 is 226243340122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221043342629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7423672 + ... + 7453387.

It is an arithmetic number, because the mean of its divisors is an integer number (12050418600).

Almost surely, 2^221043342622 is an apocalyptic number.

221043342622 is a deficient number, since it is larger than the sum of its proper divisors (164570052578).

221043342622 is a wasteful number, since it uses less digits than its factorization.

221043342622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877120.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 221043342622 its reverse (226243340122), we get a palindrome (447286682744).

The spelling of 221043342622 in words is "two hundred twenty-one billion, forty-three million, three hundred forty-two thousand, six hundred twenty-two".