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10222100231 = 74231345143
BaseRepresentation
bin10011000010100100…
…01101111100000111
3222101101200111100212
421201102031330013
5131413324201411
64410155030035
7511212263330
oct114122157407
928341614325
1010222100231
114376122222
121b9343b31b
13c6ba11b25
146cd859287
153ec63068b
hex26148df07

10222100231 has 8 divisors (see below), whose sum is σ = 11685195264. Its totient is φ = 8759703960.

The previous prime is 10222100191. The next prime is 10222100267. The reversal of 10222100231 is 13200122201.

It is a happy number.

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

It is not a de Polignac number, because 10222100231 - 210 = 10222099207 is a prime.

It is a super-3 number, since 3×102221002313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222100281) 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, 142955 + ... + 202188.

It is an arithmetic number, because the mean of its divisors is an integer number (1460649408).

Almost surely, 210222100231 is an apocalyptic number.

10222100231 is a deficient number, since it is larger than the sum of its proper divisors (1463095033).

10222100231 is an equidigital number, since it uses as much as digits as its factorization.

10222100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349381.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10222100231 its reverse (13200122201), we get a palindrome (23422222432).

The spelling of 10222100231 in words is "ten billion, two hundred twenty-two million, one hundred thousand, two hundred thirty-one".

Divisors: 1 7 4231 29617 345143 2416001 1460300033 10222100231