61830222 has 16 divisors (see below), whose sum is σ = 123744720. Its totient is φ = 20596032.

The previous prime is 61830217. The next prime is 61830227. The reversal of 61830222 is 22203816.

It is an interprime number because it is at equal distance from previous prime (61830217) and next prime (61830227).

It is a junction number, because it is equal to n+sod(n) for n = 61830192 and 61830201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61830227) 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, 10068 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (7734045).

Almost surely, 2^61830222 is an apocalyptic number.

61830222 is an abundant number, since it is smaller than the sum of its proper divisors (61914498).

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

61830222 is a wasteful number, since it uses less digits than its factorization.

61830222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61830222 is about 7863.2195696165. The cubic root of 61830222 is about 395.4275603153.

The spelling of 61830222 in words is "sixty-one million, eight hundred thirty thousand, two hundred twenty-two".