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1422446189 is a prime number
BaseRepresentation
bin101010011001000…
…1100111001101101
310200010120202100012
41110302030321231
510403121234224
6353051543005
750151410303
oct12462147155
93603522305
101422446189
1166aa2a96a
1233845aa65
1319890a448
14d6cb6273
1584d2a80e
hex54c8ce6d

1422446189 has 2 divisors, whose sum is σ = 1422446190. Its totient is φ = 1422446188.

The previous prime is 1422446177. The next prime is 1422446227. The reversal of 1422446189 is 9816442241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1422421225 + 24964 = 37715^2 + 158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422446189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422446119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711223094 + 711223095.

It is an arithmetic number, because the mean of its divisors is an integer number (711223095).

Almost surely, 21422446189 is an apocalyptic number.

It is an amenable number.

1422446189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422446189 is an equidigital number, since it uses as much as digits as its factorization.

1422446189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 1422446189 is about 37715.3309544010. The cubic root of 1422446189 is about 1124.6359155007.

The spelling of 1422446189 in words is "one billion, four hundred twenty-two million, four hundred forty-six thousand, one hundred eighty-nine".