1402211231 has 2 divisors, whose sum is σ = 1402211232. Its totient is φ = 1402211230.

The previous prime is 1402211183. The next prime is 1402211243. The reversal of 1402211231 is 1321122041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1402211231 - 2¹⁴ = 1402194847 is a prime.

It is a super-2 number, since 2×1402211231² = 3932392672685070722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402211281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701105615 + 701105616.

It is an arithmetic number, because the mean of its divisors is an integer number (701105616).

Almost surely, 2^1402211231 is an apocalyptic number.

1402211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402211231 is an equidigital number, since it uses as much as digits as its factorization.

1402211231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1402211231 is about 37446.1110263803. Note that the first 3 decimals coincide. The cubic root of 1402211231 is about 1119.2776036190.

Adding to 1402211231 its reverse (1321122041), we get a palindrome (2723333272).

The spelling of 1402211231 in words is "one billion, four hundred two million, two hundred eleven thousand, two hundred thirty-one".