1402213441 has 4 divisors (see below), whose sum is σ = 1402632532. Its totient is φ = 1401794352.

The previous prime is 1402213403. The next prime is 1402213447. The reversal of 1402213441 is 1443122041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1354534416 + 47679025 = 36804^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402213441 - 2¹³ = 1402205249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402213447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204486 + ... + 211231.

It is an arithmetic number, because the mean of its divisors is an integer number (350658133).

Almost surely, 2^1402213441 is an apocalyptic number.

It is an amenable number.

1402213441 is a deficient number, since it is larger than the sum of its proper divisors (419091).

1402213441 is an equidigital number, since it uses as much as digits as its factorization.

1402213441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419090.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1402213441 is about 37446.1405354410. The cubic root of 1402213441 is about 1119.2781916432.

Adding to 1402213441 its reverse (1443122041), we get a palindrome (2845335482).

The spelling of 1402213441 in words is "one billion, four hundred two million, two hundred thirteen thousand, four hundred forty-one".