220935442 has 16 divisors (see below), whose sum is σ = 407881152. Its totient is φ = 87402960.

The previous prime is 220935437. The next prime is 220935467. The reversal of 220935442 is 244539022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606784 + ... + 607147.

It is an arithmetic number, because the mean of its divisors is an integer number (25492572).

Almost surely, 2^220935442 is an apocalyptic number.

220935442 is a deficient number, since it is larger than the sum of its proper divisors (186945710).

220935442 is a wasteful number, since it uses less digits than its factorization.

220935442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213953.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 220935442 is about 14863.8972682133. The cubic root of 220935442 is about 604.5354829740.

The spelling of 220935442 in words is "two hundred twenty million, nine hundred thirty-five thousand, four hundred forty-two".