61223132 has 12 divisors (see below), whose sum is σ = 107287320. Its totient is φ = 30569616.

The previous prime is 61223131. The next prime is 61223177. The reversal of 61223132 is 23132216.

It is a happy number.

61223132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61223131) 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 3 ways as a sum of consecutive naturals, for example, 7082 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (8940610).

Almost surely, 2^61223132 is an apocalyptic number.

It is an amenable number.

61223132 is a deficient number, since it is larger than the sum of its proper divisors (46064188).

61223132 is a wasteful number, since it uses less digits than its factorization.

61223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980 (or 20978 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 61223132 is about 7824.5211994089. The cubic root of 61223132 is about 394.1291115767.

Adding to 61223132 its reverse (23132216), we get a palindrome (84355348).

The spelling of 61223132 in words is "sixty-one million, two hundred twenty-three thousand, one hundred thirty-two".