Search a number
-
+
2220498 = 232717623
BaseRepresentation
bin1000011110000111010010
311011210221200
420132013102
51032023443
6115332030
724605520
oct10360722
94153850
102220498
111287325
128b1016
135c9907
1441b310
152dcdd3
hex21e1d2

2220498 has 24 divisors (see below), whose sum is σ = 5498688. Its totient is φ = 634392.

The previous prime is 2220497. The next prime is 2220503. The reversal of 2220498 is 8940222.

It is a super-2 number, since 2×22204982 = 9861222736008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8686 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (229112).

22220498 is an apocalyptic number.

2220498 is an abundant number, since it is smaller than the sum of its proper divisors (3278190).

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

2220498 is a wasteful number, since it uses less digits than its factorization.

2220498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2220498 is about 1490.1335510618. The cubic root of 2220498 is about 130.4618287973.

The spelling of 2220498 in words is "two million, two hundred twenty thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 17623 35246 52869 105738 123361 158607 246722 317214 370083 740166 1110249 2220498