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22122668 = 225530667
BaseRepresentation
bin101010001100…
…1000010101100
31112121221121002
41110121002230
521130411133
62110055432
7356016401
oct124310254
945557532
1022122668
11115400a7
1274aa578
134777649
142d1c2a8
151e1ece8
hex15190ac

22122668 has 6 divisors (see below), whose sum is σ = 38714676. Its totient is φ = 11061332.

The previous prime is 22122643. The next prime is 22122671. The reversal of 22122668 is 86622122.

It is a self number, because there is not a number n which added to its sum of digits gives 22122668.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765330 + ... + 2765337.

It is an arithmetic number, because the mean of its divisors is an integer number (6452446).

Almost surely, 222122668 is an apocalyptic number.

It is an amenable number.

22122668 is a deficient number, since it is larger than the sum of its proper divisors (16592008).

22122668 is a wasteful number, since it uses less digits than its factorization.

22122668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530671 (or 5530669 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 22122668 is about 4703.4740352212. The cubic root of 22122668 is about 280.7237568399.

The spelling of 22122668 in words is "twenty-two million, one hundred twenty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 5530667 11061334 22122668