220225734642 has 16 divisors (see below), whose sum is σ = 440531573760. Its totient is φ = 73395227472.

The previous prime is 220225734629. The next prime is 220225734647. The reversal of 220225734642 is 246437522022.

It is a self number, because there is not a number n which added to its sum of digits gives 220225734642.

It is not an unprimeable number, because it can be changed into a prime (220225734647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3301917 + ... + 3367952.

It is an arithmetic number, because the mean of its divisors is an integer number (27533223360).

Almost surely, 2^220225734642 is an apocalyptic number.

220225734642 is an abundant number, since it is smaller than the sum of its proper divisors (220305839118).

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

220225734642 is a wasteful number, since it uses less digits than its factorization.

220225734642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675377.

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 220225734642 in words is "two hundred twenty billion, two hundred twenty-five million, seven hundred thirty-four thousand, six hundred forty-two".