22541142 has 16 divisors (see below), whose sum is σ = 48550320. Its totient is φ = 6935712.

The previous prime is 22541137. The next prime is 22541143. The reversal of 22541142 is 24114522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144417 + ... + 144572.

It is an arithmetic number, because the mean of its divisors is an integer number (3034395).

Almost surely, 2^22541142 is an apocalyptic number.

22541142 is an abundant number, since it is smaller than the sum of its proper divisors (26009178).

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

22541142 is a wasteful number, since it uses less digits than its factorization.

22541142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289007.

The product of its digits is 640, while the sum is 21.

The square root of 22541142 is about 4747.7512571743. The cubic root of 22541142 is about 282.4827754659.

Adding to 22541142 its reverse (24114522), we get a palindrome (46655664).

The spelling of 22541142 in words is "twenty-two million, five hundred forty-one thousand, one hundred forty-two".