22240558 has 4 divisors (see below), whose sum is σ = 33360840. Its totient is φ = 11120278.

The previous prime is 22240553. The next prime is 22240579. The reversal of 22240558 is 85504222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85504222 = 2 ⋅42752111.

It is a super-3 number, since 3×22240558³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560138 + ... + 5560141.

It is an arithmetic number, because the mean of its divisors is an integer number (8340210).

Almost surely, 2^22240558 is an apocalyptic number.

22240558 is a deficient number, since it is larger than the sum of its proper divisors (11120282).

22240558 is a wasteful number, since it uses less digits than its factorization.

22240558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120281.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 22240558 is about 4715.9896098274. The cubic root of 22240558 is about 281.2215254794.

The spelling of 22240558 in words is "twenty-two million, two hundred forty thousand, five hundred fifty-eight".