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22024230 = 2351938639
BaseRepresentation
bin101010000000…
…1000000100110
31112102221120020
41110001000212
521114233410
62104020010
7355126404
oct124010046
945387506
1022024230
1111483148
127461606
1347418b7
142cd4474
151e00a70
hex1501026

22024230 has 32 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 5563872.

The previous prime is 22024199. The next prime is 22024259. The reversal of 22024230 is 3242022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18750 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 222024230 is an apocalyptic number.

22024230 is an abundant number, since it is smaller than the sum of its proper divisors (33617370).

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

22024230 is a wasteful number, since it uses less digits than its factorization.

22024230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38668.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22024230 is about 4692.9979757081. The cubic root of 22024230 is about 280.3067641309.

Adding to 22024230 its reverse (3242022), we get a palindrome (25266252).

The spelling of 22024230 in words is "twenty-two million, twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 38639 77278 115917 193195 231834 386390 579585 734141 1159170 1468282 2202423 3670705 4404846 7341410 11012115 22024230