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1226228 = 22417477
BaseRepresentation
bin100101011010111110100
32022022001212
410223113310
5303214403
642140552
713265003
oct4532764
92268055
101226228
11768313
124b1758
1333c1a3
1423cc3a
151934d8
hex12b5f4

1226228 has 12 divisors (see below), whose sum is σ = 2198532. Its totient is φ = 598080.

The previous prime is 1226213. The next prime is 1226237. The reversal of 1226228 is 8226221.

It can be written as a sum of positive squares in 2 ways, for example, as 620944 + 605284 = 788^2 + 778^2 .

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, 3575 + ... + 3902.

It is an arithmetic number, because the mean of its divisors is an integer number (183211).

21226228 is an apocalyptic number.

It is an amenable number.

1226228 is a deficient number, since it is larger than the sum of its proper divisors (972304).

1226228 is a wasteful number, since it uses less digits than its factorization.

1226228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522 (or 7520 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1226228 is about 1107.3517959528. The cubic root of 1226228 is about 107.0344897114.

The spelling of 1226228 in words is "one million, two hundred twenty-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 41 82 164 7477 14954 29908 306557 613114 1226228