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1220302207 is a prime number
BaseRepresentation
bin100100010111100…
…0101010101111111
310011001012202221001
41020233011111333
54444344132312
6321031151131
742145253245
oct11057052577
93131182831
101220302207
11576913123
122a08154a7
13165a82317
14b80d6795
15721eb057
hex48bc557f

1220302207 has 2 divisors, whose sum is σ = 1220302208. Its totient is φ = 1220302206.

The previous prime is 1220302201. The next prime is 1220302231. The reversal of 1220302207 is 7022030221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220302207 - 23 = 1220302199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220302201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151103 + 610151104.

It is an arithmetic number, because the mean of its divisors is an integer number (610151104).

Almost surely, 21220302207 is an apocalyptic number.

1220302207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220302207 is an equidigital number, since it uses as much as digits as its factorization.

1220302207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1220302207 is about 34932.8242058955. The cubic root of 1220302207 is about 1068.6179515982.

Adding to 1220302207 its reverse (7022030221), we get a palindrome (8242332428).

The spelling of 1220302207 in words is "one billion, two hundred twenty million, three hundred two thousand, two hundred seven".