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2220421430 = 25379476337
BaseRepresentation
bin1000010001011000…
…1111000100110110
312201202010002120202
42010112033010312
514021411441210
61004155200502
7106011161603
oct20426170466
95652102522
102220421430
11a3a408537
1251b746132
13295031846
14170c756aa
15cee029a5
hex8458f136

2220421430 has 32 divisors (see below), whose sum is σ = 4109762016. Its totient is φ = 863115264.

The previous prime is 2220421387. The next prime is 2220421433. The reversal of 2220421430 is 341240222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220421433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347222 + ... + 353558.

It is an arithmetic number, because the mean of its divisors is an integer number (128430063).

Almost surely, 22220421430 is an apocalyptic number.

2220421430 is a deficient number, since it is larger than the sum of its proper divisors (1889340586).

2220421430 is a wasteful number, since it uses less digits than its factorization.

2220421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2220421430 is about 47121.3479221467. The cubic root of 2220421430 is about 1304.6032919717.

Adding to 2220421430 its reverse (341240222), we get a palindrome (2561661652).

It can be divided in two parts, 22204 and 21430, that added together give a palindrome (43634).

The spelling of 2220421430 in words is "two billion, two hundred twenty million, four hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 947 1894 4735 6337 9470 12674 31685 35039 63370 70078 175195 234469 350390 468938 1172345 2344690 6001139 12002278 30005695 60011390 222042143 444084286 1110210715 2220421430