61022422250 has 48 divisors (see below), whose sum is σ = 121349036952. Its totient is φ = 22973120000.

The previous prime is 61022422217. The next prime is 61022422259. The reversal of 61022422250 is 5222422016.

It can be written as a sum of positive squares in 12 ways, for example, as 1047881641 + 59974540609 = 32371^2 + 244897^2 .

It is not an unprimeable number, because it can be changed into a prime (61022422259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350051 + ... + 494550.

Almost surely, 2^61022422250 is an apocalyptic number.

61022422250 is a deficient number, since it is larger than the sum of its proper divisors (60326614702).

61022422250 is a wasteful number, since it uses less digits than its factorization.

61022422250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844652 (or 844625 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 61022422250 its reverse (5222422016), we get a palindrome (66244844266).

The spelling of 61022422250 in words is "sixty-one billion, twenty-two million, four hundred twenty-two thousand, two hundred fifty".