61810022 has 8 divisors (see below), whose sum is σ = 92751816. Its totient is φ = 30892752.

The previous prime is 61810009. The next prime is 61810033. The reversal of 61810022 is 22001816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61809976 and 61810003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (11593977).

Almost surely, 2^61810022 is an apocalyptic number.

61810022 is a deficient number, since it is larger than the sum of its proper divisors (30941794).

61810022 is a wasteful number, since it uses less digits than its factorization.

61810022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 61810022 is about 7861.9350035472. The cubic root of 61810022 is about 395.3844934219.

Adding to 61810022 its reverse (22001816), we get a palindrome (83811838).

The spelling of 61810022 in words is "sixty-one million, eight hundred ten thousand, twenty-two".