61490022 has 24 divisors (see below), whose sum is σ = 135178008. Its totient is φ = 18633120.

The previous prime is 61490021. The next prime is 61490057. The reversal of 61490022 is 22009416.

61490022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61489974 and 61490001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61490021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41623 + ... + 43074.

It is an arithmetic number, because the mean of its divisors is an integer number (5632417).

Almost surely, 2^61490022 is an apocalyptic number.

61490022 is an abundant number, since it is smaller than the sum of its proper divisors (73687986).

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

61490022 is a wasteful number, since it uses less digits than its factorization.

61490022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84724 (or 84713 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 61490022 is about 7841.5573708288. The cubic root of 61490022 is about 394.7009903963.

Adding to 61490022 its reverse (22009416), we get a palindrome (83499438).

The spelling of 61490022 in words is "sixty-one million, four hundred ninety thousand, twenty-two".