61522422 has 96 divisors (see below), whose sum is σ = 146095488. Its totient is φ = 17192448.

The previous prime is 61522411. The next prime is 61522451. The reversal of 61522422 is 22422516.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61522392 and 61522401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741193 + ... + 741275.

It is an arithmetic number, because the mean of its divisors is an integer number (1521828).

Almost surely, 2^61522422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61522422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73047744).

61522422 is an abundant number, since it is smaller than the sum of its proper divisors (84573066).

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

61522422 is a wasteful number, since it uses less digits than its factorization.

61522422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 61522422 is about 7843.6230149084. The cubic root of 61522422 is about 394.7703028159.

Adding to 61522422 its reverse (22422516), we get a palindrome (83944938).

The spelling of 61522422 in words is "sixty-one million, five hundred twenty-two thousand, four hundred twenty-two".