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10222000231 = 64715799073
BaseRepresentation
bin10011000010100011…
…10101100001100111
3222101101111102012011
421201101311201213
5131413313001411
64410152535051
7511211365642
oct114121654147
928341442164
1010222000231
114376064083
121b933b1487
13c6b9a8461
146cd830a59
153ec610c21
hex261475867

10222000231 has 4 divisors (see below), whose sum is σ = 10237799952. Its totient is φ = 10206200512.

The previous prime is 10222000213. The next prime is 10222000241. The reversal of 10222000231 is 13200022201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10222000231 - 217 = 10221869159 is a prime.

It is a super-2 number, since 2×102220002312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222000241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898890 + ... + 7900183.

It is an arithmetic number, because the mean of its divisors is an integer number (2559449988).

Almost surely, 210222000231 is an apocalyptic number.

10222000231 is a deficient number, since it is larger than the sum of its proper divisors (15799721).

10222000231 is an equidigital number, since it uses as much as digits as its factorization.

10222000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799720.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10222000231 its reverse (13200022201), we get a palindrome (23422022432).

The spelling of 10222000231 in words is "ten billion, two hundred twenty-two million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 647 15799073 10222000231