42022554 has 16 divisors (see below), whose sum is σ = 96051648. Its totient is φ = 12006432.

The previous prime is 42022543. The next prime is 42022579. The reversal of 42022554 is 45522024.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 500227 + ... + 500310.

It is an arithmetic number, because the mean of its divisors is an integer number (6003228).

Almost surely, 2^42022554 is an apocalyptic number.

42022554 is an abundant number, since it is smaller than the sum of its proper divisors (54029094).

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

42022554 is a wasteful number, since it uses less digits than its factorization.

42022554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000549.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42022554 is about 6482.4805437425. The cubic root of 42022554 is about 347.6648742314.

Adding to 42022554 its reverse (45522024), we get a palindrome (87544578).

The spelling of 42022554 in words is "forty-two million, twenty-two thousand, five hundred fifty-four".