Search a number
-
+
22253172433 = 79281685727
BaseRepresentation
bin10100101110011001…
…000111011011010001
32010102212021021202121
4110232121013123101
5331033303004213
614120054414241
71415311562512
oct245631073321
963385237677
1022253172433
11948a3768a8
124390661381
13213843566b
141111644a09
158a398c88d
hex52e6476d1

22253172433 has 4 divisors (see below), whose sum is σ = 22534858240. Its totient is φ = 21971486628.

The previous prime is 22253172371. The next prime is 22253172437. The reversal of 22253172433 is 33427135222.

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 a de Polignac number, because none of the positive numbers 2k-22253172433 is a prime.

It is a super-2 number, since 2×222531724332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22253172437) 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, 140842785 + ... + 140842942.

It is an arithmetic number, because the mean of its divisors is an integer number (5633714560).

Almost surely, 222253172433 is an apocalyptic number.

It is an amenable number.

22253172433 is a deficient number, since it is larger than the sum of its proper divisors (281685807).

22253172433 is an equidigital number, since it uses as much as digits as its factorization.

22253172433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281685806.

The product of its digits is 60480, while the sum is 34.

The spelling of 22253172433 in words is "twenty-two billion, two hundred fifty-three million, one hundred seventy-two thousand, four hundred thirty-three".

Divisors: 1 79 281685727 22253172433