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201222102 = 23127264071
BaseRepresentation
bin10111111111001…
…10011111010110
3112000122010211110
423333212133112
5403003101402
631544515450
74662234234
oct1377463726
9460563743
10201222102
11a3648164
125747bb86
13328c4643
141ca1d954
15129eb56c
hexbfe67d6

201222102 has 16 divisors (see below), whose sum is σ = 405614592. Its totient is φ = 66545640.

The previous prime is 201222067. The next prime is 201222121.

201222102 is nontrivially palindromic in base 10.

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, 131274 + ... + 132797.

It is an arithmetic number, because the mean of its divisors is an integer number (25350912).

Almost surely, 2201222102 is an apocalyptic number.

201222102 is an abundant number, since it is smaller than the sum of its proper divisors (204392490).

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

201222102 is a wasteful number, since it uses less digits than its factorization.

201222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264203.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201222102 is about 14185.2776497325. The cubic root of 201222102 is about 585.9922789774.

The spelling of 201222102 in words is "two hundred one million, two hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 127 254 381 762 264071 528142 792213 1584426 33537017 67074034 100611051 201222102