221460427742 has 16 divisors (see below), whose sum is σ = 341199008640. Its totient is φ = 107727955488.

The previous prime is 221460427679. The next prime is 221460427789. The reversal of 221460427742 is 247724064122.

It is a self number, because there is not a number n which added to its sum of digits gives 221460427742.

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, 746984 + ... + 1000452.

It is an arithmetic number, because the mean of its divisors is an integer number (21324938040).

Almost surely, 2^221460427742 is an apocalyptic number.

221460427742 is a deficient number, since it is larger than the sum of its proper divisors (119738580898).

221460427742 is a wasteful number, since it uses less digits than its factorization.

221460427742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265315.

The product of its (nonzero) digits is 301056, while the sum is 41.

The spelling of 221460427742 in words is "two hundred twenty-one billion, four hundred sixty million, four hundred twenty-seven thousand, seven hundred forty-two".