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22223021242 = 2157221331981
BaseRepresentation
bin10100101100100110…
…000110010010111010
32010100202112110002211
4110230212012102322
5331003043134432
614113100245334
71414464364252
oct245446062272
963322473084
1022223021242
119474352864
12438254084a
132132109916
14110b636962
158a0ed3d47
hex52c9864ba

22223021242 has 16 divisors (see below), whose sum is σ = 33563062152. Its totient is φ = 11035402560.

The previous prime is 22223021239. The next prime is 22223021273. The reversal of 22223021242 is 24212032222.

It can be written as a sum of positive squares in 4 ways, for example, as 18544720041 + 3678301201 = 136179^2 + 60649^2 .

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, 678892 + ... + 710872.

Almost surely, 222223021242 is an apocalyptic number.

22223021242 is a deficient number, since it is larger than the sum of its proper divisors (11340040910).

22223021242 is a wasteful number, since it uses less digits than its factorization.

22223021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34353.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22223021242 its reverse (24212032222), we get a palindrome (46435053464).

The spelling of 22223021242 in words is "twenty-two billion, two hundred twenty-three million, twenty-one thousand, two hundred forty-two".

Divisors: 1 2 157 314 2213 4426 31981 63962 347441 694882 5021017 10042034 70773953 141547906 11111510621 22223021242