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22295868 = 2237265427
BaseRepresentation
bin101010100001…
…1010100111100
31112221202011220
41111003110330
521201431433
62113513340
7360340350
oct125032474
945852156
1022295868
1111649241
127572850
13480842a
142d65460
151e562b3
hex154353c

22295868 has 24 divisors (see below), whose sum is σ = 59455872. Its totient is φ = 6370224.

The previous prime is 22295849. The next prime is 22295909. The reversal of 22295868 is 86859222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132630 + ... + 132797.

It is an arithmetic number, because the mean of its divisors is an integer number (2477328).

Almost surely, 222295868 is an apocalyptic number.

22295868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22295868 is an abundant number, since it is smaller than the sum of its proper divisors (37160004).

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

22295868 is a wasteful number, since it uses less digits than its factorization.

22295868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265441 (or 265439 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 22295868 is about 4721.8500611519. The cubic root of 22295868 is about 281.4544555813.

The spelling of 22295868 in words is "twenty-two million, two hundred ninety-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 265427 530854 796281 1061708 1592562 1857989 3185124 3715978 5573967 7431956 11147934 22295868