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22122133 = 117925457
BaseRepresentation
bin101010001100…
…0111010010101
31112121220212021
41110120322111
521130402013
62110053141
7356015005
oct124307225
945556767
1022122133
111153a760
1274aa1b1
134777327
142d1c005
151e1ea8d
hex1518e95

22122133 has 8 divisors (see below), whose sum is σ = 24439680. Its totient is φ = 19855680.

The previous prime is 22122103. The next prime is 22122169. The reversal of 22122133 is 33122122.

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

It is a cyclic number.

It is not a de Polignac number, because 22122133 - 29 = 22121621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122103) 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, 11860 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (3054960).

Almost surely, 222122133 is an apocalyptic number.

It is an amenable number.

22122133 is a deficient number, since it is larger than the sum of its proper divisors (2317547).

22122133 is a wasteful number, since it uses less digits than its factorization.

22122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25547.

The product of its digits is 144, while the sum is 16.

The square root of 22122133 is about 4703.4171620217. The cubic root of 22122133 is about 280.7214938757.

Adding to 22122133 its reverse (33122122), we get a palindrome (55244255).

The spelling of 22122133 in words is "twenty-two million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 11 79 869 25457 280027 2011103 22122133