1406221367 has 2 divisors, whose sum is σ = 1406221368. Its totient is φ = 1406221366.

The previous prime is 1406221337. The next prime is 1406221373. The reversal of 1406221367 is 7631226041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1406221367 - 2²⁴ = 1389444151 is a prime.

It is a super-3 number, since 3×1406221367³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406221307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703110683 + 703110684.

It is an arithmetic number, because the mean of its divisors is an integer number (703110684).

Almost surely, 2^1406221367 is an apocalyptic number.

1406221367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406221367 is an equidigital number, since it uses as much as digits as its factorization.

1406221367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1406221367 is about 37499.6182247233. The cubic root of 1406221367 is about 1120.3435826729.

The spelling of 1406221367 in words is "one billion, four hundred six million, two hundred twenty-one thousand, three hundred sixty-seven".