1402221111 has 4 divisors (see below), whose sum is σ = 1869628152. Its totient is φ = 934814072.

The previous prime is 1402221089. The next prime is 1402221113. The reversal of 1402221111 is 1111222041.

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

It is a cyclic number.

It is not a de Polignac number, because 1402221111 - 2¹⁵ = 1402188343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402221113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233703516 + ... + 233703521.

It is an arithmetic number, because the mean of its divisors is an integer number (467407038).

Almost surely, 2^1402221111 is an apocalyptic number.

1402221111 is a deficient number, since it is larger than the sum of its proper divisors (467407041).

1402221111 is an equidigital number, since it uses as much as digits as its factorization.

1402221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467407040.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1402221111 is about 37446.2429490597. The cubic root of 1402221111 is about 1119.2802324281.

Adding to 1402221111 its reverse (1111222041), we get a palindrome (2513443152).

The spelling of 1402221111 in words is "one billion, four hundred two million, two hundred twenty-one thousand, one hundred eleven".