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2202430 = 25220243
BaseRepresentation
bin1000011001101100111110
311010220011111
420121230332
51030434210
6115112234
724502036
oct10315476
94126144
102202430
11127479a
128a267a
135c1619
144148c6
152d788a
hex219b3e

2202430 has 8 divisors (see below), whose sum is σ = 3964392. Its totient is φ = 880968.

The previous prime is 2202419. The next prime is 2202433. The reversal of 2202430 is 342022.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2202430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202433) 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, 110112 + ... + 110131.

It is an arithmetic number, because the mean of its divisors is an integer number (495549).

22202430 is an apocalyptic number.

2202430 is a deficient number, since it is larger than the sum of its proper divisors (1761962).

2202430 is a wasteful number, since it uses less digits than its factorization.

2202430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220250.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2202430 is about 1484.0586241790. The cubic root of 2202430 is about 130.1070124778.

Adding to 2202430 its reverse (342022), we get a palindrome (2544452).

The spelling of 2202430 in words is "two million, two hundred two thousand, four hundred thirty".

Divisors: 1 2 5 10 220243 440486 1101215 2202430