45520122222 has 24 divisors (see below), whose sum is σ = 100016046000. Its totient is φ = 14959664160.

The previous prime is 45520122217. The next prime is 45520122229. The reversal of 45520122222 is 22222102554.

It is a happy number.

45520122222 is a `hidden beast` number, since 455 + 201 + 2 + 2 + 2 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520122229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17807847 + ... + 17810402.

It is an arithmetic number, because the mean of its divisors is an integer number (4167335250).

Almost surely, 2^45520122222 is an apocalyptic number.

45520122222 is an abundant number, since it is smaller than the sum of its proper divisors (54495923778).

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

45520122222 is a wasteful number, since it uses less digits than its factorization.

45520122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35618328 (or 35618325 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 45520122222 its reverse (22222102554), we get a palindrome (67742224776).

The spelling of 45520122222 in words is "forty-five billion, five hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".