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22424422 = 222749393
BaseRepresentation
bin101010110001…
…0101101100110
31120012021112011
41111202231212
521220040142
62120344434
7361414216
oct125425546
946167464
1022424422
1111726889
12761511a
134851ab7
142d9a246
151e7e417
hex1562b66

22424422 has 8 divisors (see below), whose sum is σ = 33785496. Its totient is φ = 11162592.

The previous prime is 22424383. The next prime is 22424429. The reversal of 22424422 is 22442422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22424393 and 22424402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24243 + ... + 25150.

It is an arithmetic number, because the mean of its divisors is an integer number (4223187).

Almost surely, 222424422 is an apocalyptic number.

22424422 is a deficient number, since it is larger than the sum of its proper divisors (11361074).

22424422 is a wasteful number, since it uses less digits than its factorization.

22424422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49622.

The product of its digits is 2048, while the sum is 22.

The square root of 22424422 is about 4735.4431682790. The cubic root of 22424422 is about 281.9943579845.

Adding to 22424422 its reverse (22442422), we get a palindrome (44866844).

The spelling of 22424422 in words is "twenty-two million, four hundred twenty-four thousand, four hundred twenty-two".

Divisors: 1 2 227 454 49393 98786 11212211 22424422