Search a number
-
+
1228445422 = 21300347237
BaseRepresentation
bin100100100111000…
…1001011011101110
310011121112111022121
41021032021123232
510003440223142
6321521503154
742304420351
oct11116113356
93147474277
101228445422
11580475256
122a34a1aba
131676739a9
14b9216298
1572ca8c67
hex493896ee

1228445422 has 8 divisors (see below), whose sum is σ = 1842848856. Its totient is φ = 614162472.

The previous prime is 1228445419. The next prime is 1228445441. The reversal of 1228445422 is 2245448221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388 + ... + 49624.

It is an arithmetic number, because the mean of its divisors is an integer number (230356107).

Almost surely, 21228445422 is an apocalyptic number.

1228445422 is a deficient number, since it is larger than the sum of its proper divisors (614403434).

1228445422 is a wasteful number, since it uses less digits than its factorization.

1228445422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60242.

The product of its digits is 40960, while the sum is 34.

The square root of 1228445422 is about 35049.1857537376. The cubic root of 1228445422 is about 1070.9896866977.

The spelling of 1228445422 in words is "one billion, two hundred twenty-eight million, four hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 13003 26006 47237 94474 614222711 1228445422