42554322 has 20 divisors (see below), whose sum is σ = 95353566. Its totient is φ = 14184720.

The previous prime is 42554321. The next prime is 42554333. The reversal of 42554322 is 22345524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26224641 + 16329681 = 5121^2 + 4041^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42554321) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131179 + ... + 131502.

Almost surely, 2^42554322 is an apocalyptic number.

42554322 is an abundant number, since it is smaller than the sum of its proper divisors (52799244).

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

42554322 is a wasteful number, since it uses less digits than its factorization.

42554322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262695 (or 262686 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42554322 is about 6523.3673819585. The cubic root of 42554322 is about 349.1252222353.

Adding to 42554322 its reverse (22345524), we get a palindrome (64899846).

The spelling of 42554322 in words is "forty-two million, five hundred fifty-four thousand, three hundred twenty-two".