61551022 has 8 divisors (see below), whose sum is σ = 99428616. Its totient is φ = 28408152.

The previous prime is 61551019. The next prime is 61551029. The reversal of 61551022 is 22015516.

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 = 61550984 and 61551002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61551029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183648 + ... + 1183699.

It is an arithmetic number, because the mean of its divisors is an integer number (12428577).

Almost surely, 2^61551022 is an apocalyptic number.

61551022 is a deficient number, since it is larger than the sum of its proper divisors (37877594).

61551022 is a wasteful number, since it uses less digits than its factorization.

61551022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367362.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 61551022 is about 7845.4459401617. The cubic root of 61551022 is about 394.8314657828.

Adding to 61551022 its reverse (22015516), we get a palindrome (83566538).

The spelling of 61551022 in words is "sixty-one million, five hundred fifty-one thousand, twenty-two".