61211022 has 8 divisors (see below), whose sum is σ = 122422056. Its totient is φ = 20403672.

The previous prime is 61210997. The next prime is 61211023. The reversal of 61211022 is 22011216.

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

61211022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61210992 and 61211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61211023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100913 + ... + 5100924.

It is an arithmetic number, because the mean of its divisors is an integer number (15302757).

Almost surely, 2^61211022 is an apocalyptic number.

61211022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61211022 is a wasteful number, since it uses less digits than its factorization.

61211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201842.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 61211022 is about 7823.7473118704. The cubic root of 61211022 is about 394.1031234786.

Adding to 61211022 its reverse (22011216), we get a palindrome (83222238).

The spelling of 61211022 in words is "sixty-one million, two hundred eleven thousand, twenty-two".