1400223434 has 4 divisors (see below), whose sum is σ = 2100335154. Its totient is φ = 700111716.

The previous prime is 1400223427. The next prime is 1400223437. The reversal of 1400223434 is 4343220041.

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

It can be written as a sum of positive squares in only one way, i.e., 745017025 + 655206409 = 27295^2 + 25597^2 .

It is not an unprimeable number, because it can be changed into a prime (1400223437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350055857 + ... + 350055860.

Almost surely, 2^1400223434 is an apocalyptic number.

1400223434 is a deficient number, since it is larger than the sum of its proper divisors (700111720).

1400223434 is an equidigital number, since it uses as much as digits as its factorization.

1400223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700111719.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1400223434 is about 37419.5595110365. The cubic root of 1400223434 is about 1118.7484515693.

Adding to 1400223434 its reverse (4343220041), we get a palindrome (5743443475).

The spelling of 1400223434 in words is "one billion, four hundred million, two hundred twenty-three thousand, four hundred thirty-four".