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22040933 = 213110343
BaseRepresentation
bin101010000010…
…1000101100101
31112110210110212
41110011011211
521120302213
62104225205
7355226165
oct124050545
945423425
1022040933
1111494752
12746b205
134749395
142cda5a5
151e059a8
hex1505165

22040933 has 4 divisors (see below), whose sum is σ = 22053408. Its totient is φ = 22028460.

The previous prime is 22040929. The next prime is 22040981. The reversal of 22040933 is 33904022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22040933 - 22 = 22040929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22040899 and 22040908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (5513352).

Almost surely, 222040933 is an apocalyptic number.

It is an amenable number.

22040933 is a deficient number, since it is larger than the sum of its proper divisors (12475).

22040933 is a wasteful number, since it uses less digits than its factorization.

22040933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22040933 is about 4694.7772045114. Note that the first 3 decimals coincide. The cubic root of 22040933 is about 280.3776070282.

Adding to 22040933 its reverse (33904022), we get a palindrome (55944955).

The spelling of 22040933 in words is "twenty-two million, forty thousand, nine hundred thirty-three".

Divisors: 1 2131 10343 22040933