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2222001412 = 228933718521
BaseRepresentation
bin1000010001110001…
…0000110100000100
312201212002100220121
42010130100310010
514022313021122
61004253111324
7106030462141
oct20434206404
95655070817
102222001412
11a40297604
12520188544
13295465a47
141711673c8
15d0115bc7
hex84710d04

2222001412 has 24 divisors (see below), whose sum is σ = 3944074680. Its totient is φ = 1095198720.

The previous prime is 2222001409. The next prime is 2222001449. The reversal of 2222001412 is 2141002222.

It can be written as a sum of positive squares in 4 ways, for example, as 443355136 + 1778646276 = 21056^2 + 42174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110712 + ... + 129232.

It is an arithmetic number, because the mean of its divisors is an integer number (164336445).

Almost surely, 22222001412 is an apocalyptic number.

It is an amenable number.

2222001412 is a deficient number, since it is larger than the sum of its proper divisors (1722073268).

2222001412 is a wasteful number, since it uses less digits than its factorization.

2222001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18951 (or 18949 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2222001412 is about 47138.1099748388. The cubic root of 2222001412 is about 1304.9126568183.

Adding to 2222001412 its reverse (2141002222), we get a palindrome (4363003634).

The spelling of 2222001412 in words is "two billion, two hundred twenty-two million, one thousand, four hundred twelve".

Divisors: 1 2 4 89 178 337 356 674 1348 18521 29993 37042 59986 74084 119972 1648369 3296738 6241577 6593476 12483154 24966308 555500353 1111000706 2222001412