61345302222 has 16 divisors (see below), whose sum is σ = 122702383440. Its totient is φ = 20446470912.

The previous prime is 61345302199. The next prime is 61345302233. The reversal of 61345302222 is 22220354316.

61345302222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61345302222² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61345302222.

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, 422353 + ... + 548700.

It is an arithmetic number, because the mean of its divisors is an integer number (7668898965).

Almost surely, 2^61345302222 is an apocalyptic number.

61345302222 is an abundant number, since it is smaller than the sum of its proper divisors (61357081218).

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

61345302222 is a wasteful number, since it uses less digits than its factorization.

61345302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981587.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 61345302222 its reverse (22220354316), we get a palindrome (83565656538).

The spelling of 61345302222 in words is "sixty-one billion, three hundred forty-five million, three hundred two thousand, two hundred twenty-two".