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4222788 = 2231918521
BaseRepresentation
bin10000000110111101000100
321221112120120
4100012331010
52040112123
6230301540
750615223
oct20067504
97845516
104222788
112424709
1214b78b0
13b4b0bb
147bccba
155862e3
hex406f44

4222788 has 24 divisors (see below), whose sum is σ = 10372320. Its totient is φ = 1333440.

The previous prime is 4222781. The next prime is 4222793. The reversal of 4222788 is 8872224.

It is not an unprimeable number, because it can be changed into a prime (4222781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9033 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (432180).

Almost surely, 24222788 is an apocalyptic number.

It is an amenable number.

4222788 is an abundant number, since it is smaller than the sum of its proper divisors (6149532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222788 is a wasteful number, since it uses less digits than its factorization.

4222788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18547 (or 18545 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 4222788 is about 2054.9423349574. The cubic root of 4222788 is about 161.6341385413.

The spelling of 4222788 in words is "four million, two hundred twenty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 18521 37042 55563 74084 111126 222252 351899 703798 1055697 1407596 2111394 4222788