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1222214102 = 219113284633
BaseRepresentation
bin100100011011001…
…1000000111010110
310011011210220112222
41020312120013112
510000341322402
6321140142342
742200435264
oct11066300726
93134726488
101222214102
115779a95aa
122a13979b2
131662a1615
14b8473434
15724777a2
hex48d981d6

1222214102 has 16 divisors (see below), whose sum is σ = 1946896560. Its totient is φ = 573818112.

The previous prime is 1222214101. The next prime is 1222214111. The reversal of 1222214102 is 2014122221.

It is a super-2 number, since 2×12222141022 = 2987614622255332808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222214101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138023 + ... + 146610.

It is an arithmetic number, because the mean of its divisors is an integer number (121681035).

Almost surely, 21222214102 is an apocalyptic number.

1222214102 is a deficient number, since it is larger than the sum of its proper divisors (724682458).

1222214102 is a wasteful number, since it uses less digits than its factorization.

1222214102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284767.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222214102 is about 34960.1788038906. The cubic root of 1222214102 is about 1069.1757421850.

Adding to 1222214102 its reverse (2014122221), we get a palindrome (3236336323).

The spelling of 1222214102 in words is "one billion, two hundred twenty-two million, two hundred fourteen thousand, one hundred two".

Divisors: 1 2 19 38 113 226 2147 4294 284633 569266 5408027 10816054 32163529 64327058 611107051 1222214102