Search a number
-
+
22263748 = 2213428149
BaseRepresentation
bin101010011101…
…1011111000100
31112220010010021
41110323133010
521144414443
62113104524
7360144613
oct124733704
945803107
1022263748
11116270a1
127558144
1347c6920
142d5787a
151e4b9ed
hex153b7c4

22263748 has 12 divisors (see below), whose sum is σ = 41958700. Its totient is φ = 10275552.

The previous prime is 22263737. The next prime is 22263749. The reversal of 22263748 is 84736222.

It can be written as a sum of positive squares in 2 ways, for example, as 8111104 + 14152644 = 2848^2 + 3762^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22263749) 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, 214023 + ... + 214126.

Almost surely, 222263748 is an apocalyptic number.

It is an amenable number.

22263748 is a deficient number, since it is larger than the sum of its proper divisors (19694952).

22263748 is a wasteful number, since it uses less digits than its factorization.

22263748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428166 (or 428164 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 22263748 is about 4718.4476260736. The cubic root of 22263748 is about 281.3192337870.

The spelling of 22263748 in words is "twenty-two million, two hundred sixty-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 13 26 52 428149 856298 1712596 5565937 11131874 22263748