42222554 has 16 divisors (see below), whose sum is σ = 69193440. Its totient is φ = 19163760.

The previous prime is 42222539. The next prime is 42222559. The reversal of 42222554 is 45522224.

It is not an unprimeable number, because it can be changed into a prime (42222559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23852 + ... + 25560.

It is an arithmetic number, because the mean of its divisors is an integer number (4324590).

Almost surely, 2^42222554 is an apocalyptic number.

42222554 is a deficient number, since it is larger than the sum of its proper divisors (26970886).

42222554 is a wasteful number, since it uses less digits than its factorization.

42222554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its digits is 6400, while the sum is 26.

The square root of 42222554 is about 6497.8884262505. Note that the first 3 decimals coincide. The cubic root of 42222554 is about 348.2155543497.

Adding to 42222554 its reverse (45522224), we get a palindrome (87744778).

It can be divided in two parts, 4222 and 2554, that added together give a palindrome (6776).

The spelling of 42222554 in words is "forty-two million, two hundred twenty-two thousand, five hundred fifty-four".