Search a number
-
+
2220622 = 21110311
BaseRepresentation
bin1000011110001001001110
311011211010021
420132021032
51032024442
6115332354
724606055
oct10361116
94154107
102220622
111287428
128b10ba
135c99a1
1441b39c
152dce67
hex21e24e

2220622 has 4 divisors (see below), whose sum is σ = 3330936. Its totient is φ = 1110310.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220622 is 2260222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2220596 and 2220605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555154 + ... + 555157.

It is an arithmetic number, because the mean of its divisors is an integer number (832734).

22220622 is an apocalyptic number.

2220622 is a deficient number, since it is larger than the sum of its proper divisors (1110314).

2220622 is a wasteful number, since it uses less digits than its factorization.

2220622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110313.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2220622 is about 1490.1751574899. The cubic root of 2220622 is about 130.4642572263.

Adding to 2220622 its reverse (2260222), we get a palindrome (4480844).

The spelling of 2220622 in words is "two million, two hundred twenty thousand, six hundred twenty-two".

Divisors: 1 2 1110311 2220622