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90065222 = 2133464047
BaseRepresentation
bin1010101111001…
…00100101000110
320021110210020222
411113210211012
5141024041342
612534224342
72142353552
oct527444506
9207423228
1090065222
1146926375
12261b50b2
1315875840
14bd66862
157d90ed2
hex55e4946

90065222 has 8 divisors (see below), whose sum is σ = 145490016. Its totient is φ = 41568552.

The previous prime is 90065197. The next prime is 90065231. The reversal of 90065222 is 22256009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×900652222 = 16223488427818568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3464047 = 90065222 / (9 + 0 + 0 + 6 + 5 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 90065191 and 90065200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731998 + ... + 1732049.

It is an arithmetic number, because the mean of its divisors is an integer number (18186252).

Almost surely, 290065222 is an apocalyptic number.

90065222 is a deficient number, since it is larger than the sum of its proper divisors (55424794).

90065222 is a wasteful number, since it uses less digits than its factorization.

90065222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464062.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90065222 is about 9490.2698591768. The cubic root of 90065222 is about 448.2487026569.

The spelling of 90065222 in words is "ninety million, sixty-five thousand, two hundred twenty-two".

Divisors: 1 2 13 26 3464047 6928094 45032611 90065222