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1222675049 is a prime number
BaseRepresentation
bin100100011100000…
…1000101001101001
310011012200022212002
41020320020221221
510001001100144
6321154100345
742204365201
oct11070105151
93135608762
101222675049
11578193952
122a157a6b5
1316640337b
14b8553401
157251914e
hex48e08a69

1222675049 has 2 divisors, whose sum is σ = 1222675050. Its totient is φ = 1222675048.

The previous prime is 1222675039. The next prime is 1222675057. The reversal of 1222675049 is 9405762221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1139737600 + 82937449 = 33760^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222675049 - 28 = 1222674793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222675019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611337524 + 611337525.

It is an arithmetic number, because the mean of its divisors is an integer number (611337525).

Almost surely, 21222675049 is an apocalyptic number.

It is an amenable number.

1222675049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222675049 is an equidigital number, since it uses as much as digits as its factorization.

1222675049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1222675049 is about 34966.7706401378. The cubic root of 1222675049 is about 1069.3101352801.

The spelling of 1222675049 in words is "one billion, two hundred twenty-two million, six hundred seventy-five thousand, forty-nine".