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222031213430 = 251315971069463
BaseRepresentation
bin1100111011001000010…
…1110111001101110110
3210020002201220021202012
43032302011313031312
512114204442312210
6245555535244222
722020066113645
oct3166205671566
9706081807665
10222031213430
1186187916a04
1237045979672
1317c2577c540
14aa6406935c
155b976bb305
hex33b2177376

222031213430 has 32 divisors (see below), whose sum is σ = 430668874944. Its totient is φ = 81929344896.

The previous prime is 222031213363. The next prime is 222031213451. The reversal of 222031213430 is 34312130222.

It is a junction number, because it is equal to n+sod(n) for n = 222031213396 and 222031213405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327122 + ... + 742341.

It is an arithmetic number, because the mean of its divisors is an integer number (13458402342).

Almost surely, 2222031213430 is an apocalyptic number.

222031213430 is a deficient number, since it is larger than the sum of its proper divisors (208637661514).

222031213430 is a wasteful number, since it uses less digits than its factorization.

222031213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071080.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222031213430 its reverse (34312130222), we get a palindrome (256343343652).

The spelling of 222031213430 in words is "two hundred twenty-two billion, thirty-one million, two hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1597 3194 7985 15970 20761 41522 103805 207610 1069463 2138926 5347315 10694630 13903019 27806038 69515095 139030190 1707932411 3415864822 8539662055 17079324110 22203121343 44406242686 111015606715 222031213430