1402774231 has 2 divisors, whose sum is σ = 1402774232. Its totient is φ = 1402774230.

The previous prime is 1402774183. The next prime is 1402774333. The reversal of 1402774231 is 1324772041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402774231 - 2⁷ = 1402774103 is a prime.

It is a super-2 number, since 2×1402774231² = 3935551086315282722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1402774193 and 1402774202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402774031) 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, 701387115 + 701387116.

It is an arithmetic number, because the mean of its divisors is an integer number (701387116).

Almost surely, 2^1402774231 is an apocalyptic number.

1402774231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402774231 is an equidigital number, since it uses as much as digits as its factorization.

1402774231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1402774231 is about 37453.6277415152. The cubic root of 1402774231 is about 1119.4273834711.

The spelling of 1402774231 in words is "one billion, four hundred two million, seven hundred seventy-four thousand, two hundred thirty-one".