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22424034431 = 41575394283
BaseRepresentation
bin10100111000100100…
…111001110001111111
32010212202202222100202
4110320210321301333
5331411023100211
614145040514115
71422455101451
oct247044716177
963782688322
1022424034431
119567867a67
12441991b93b
13216495a136
14112a2002d1
158b398d53b
hex538939c7f

22424034431 has 4 divisors (see below), whose sum is σ = 22429432872. Its totient is φ = 22418635992.

The previous prime is 22424034421. The next prime is 22424034449. The reversal of 22424034431 is 13443042422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22424034431 - 214 = 22424018047 is a prime.

It is a super-2 number, since 2×224240344312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22424034394 and 22424034403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424034421) 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, 2692985 + ... + 2701298.

It is an arithmetic number, because the mean of its divisors is an integer number (5607358218).

Almost surely, 222424034431 is an apocalyptic number.

22424034431 is a deficient number, since it is larger than the sum of its proper divisors (5398441).

22424034431 is an equidigital number, since it uses as much as digits as its factorization.

22424034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398440.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22424034431 its reverse (13443042422), we get a palindrome (35867076853).

The spelling of 22424034431 in words is "twenty-two billion, four hundred twenty-four million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 4157 5394283 22424034431