1400440223 has 16 divisors (see below), whose sum is σ = 1731373056. Its totient is φ = 1103055840.

The previous prime is 1400440219. The next prime is 1400440271. The reversal of 1400440223 is 3220440041.

It is a cyclic number.

It is not a de Polignac number, because 1400440223 - 2² = 1400440219 is a prime.

It is a super-2 number, since 2×1400440223² = 3922465636392579458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400440195 and 1400440204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400440273) 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 in 15 ways as a sum of consecutive naturals, for example, 14213 + ... + 54798.

It is an arithmetic number, because the mean of its divisors is an integer number (108210816).

Almost surely, 2^1400440223 is an apocalyptic number.

1400440223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1400440223 is a deficient number, since it is larger than the sum of its proper divisors (330932833).

1400440223 is a wasteful number, since it uses less digits than its factorization.

1400440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69254.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1400440223 is about 37422.4561326485. The cubic root of 1400440223 is about 1118.8061851749.

Adding to 1400440223 its reverse (3220440041), we get a palindrome (4620880264).

The spelling of 1400440223 in words is "one billion, four hundred million, four hundred forty thousand, two hundred twenty-three".