10220022 has 12 divisors (see below), whose sum is σ = 22143420. Its totient is φ = 3406668.
The previous prime is 10220011. The next prime is 10220033. The reversal of 10220022 is 22002201.
It is an interprime number because it is at equal distance from previous prime (10220011) and next prime (10220033).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10219986 and 10220013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283872 + ... + 283907.
It is an arithmetic number, because the mean of its divisors is an integer number (1845285).
Almost surely, 210220022 is an apocalyptic number.
10220022 is an abundant number, since it is smaller than the sum of its proper divisors (11923398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10220022 is a wasteful number, since it uses less digits than its factorization.
10220022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 567787 (or 567784 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 10220022 is about 3196.8769134892. The cubic root of 10220022 is about 217.0120969847.
Adding to 10220022 its reverse (22002201), we get a palindrome (32222223).
The spelling of 10220022 in words is "ten million, two hundred twenty thousand, twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •