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4480222161 = 31493407387
BaseRepresentation
bin1000010110000101…
…01100001111010001
3102120020022212102010
410023002230033101
533133414102121
62020322413133
7216011155122
oct41302541721
912506285363
104480222161
111999a72248
12a505011a9
1356527053c
1430703c049
151b34d3376
hex10b0ac3d1

4480222161 has 4 divisors (see below), whose sum is σ = 5973629552. Its totient is φ = 2986814772.

The previous prime is 4480222133. The next prime is 4480222163. The reversal of 4480222161 is 1612220844.

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 de Polignac number, because none of the positive numbers 2k-4480222161 is a prime.

It is a super-2 number, since 2×44802221612 = 40144781223831019842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4480222163) 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, 746703691 + ... + 746703696.

It is an arithmetic number, because the mean of its divisors is an integer number (1493407388).

Almost surely, 24480222161 is an apocalyptic number.

It is an amenable number.

4480222161 is a deficient number, since it is larger than the sum of its proper divisors (1493407391).

4480222161 is a wasteful number, since it uses less digits than its factorization.

4480222161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493407390.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 4480222161 is about 66934.4616845463. The cubic root of 4480222161 is about 1648.5413691416.

The spelling of 4480222161 in words is "four billion, four hundred eighty million, two hundred twenty-two thousand, one hundred sixty-one".

Divisors: 1 3 1493407387 4480222161