1400221005 has 8 divisors (see below), whose sum is σ = 2240353632. Its totient is φ = 746784528.

The previous prime is 1400220977. The next prime is 1400221013. The reversal of 1400221005 is 5001220041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400221005 - 2¹⁰ = 1400219981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 93348067 = 1400221005 / (1 + 4 + 0 + 0 + 2 + 2 + 1 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46674019 + ... + 46674048.

It is an arithmetic number, because the mean of its divisors is an integer number (280044204).

Almost surely, 2^1400221005 is an apocalyptic number.

1400221005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400221005 is a deficient number, since it is larger than the sum of its proper divisors (840132627).

1400221005 is an equidigital number, since it uses as much as digits as its factorization.

1400221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93348075.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1400221005 is about 37419.5270547344. The cubic root of 1400221005 is about 1118.7478046626.

Adding to 1400221005 its reverse (5001220041), we get a palindrome (6401441046).

The spelling of 1400221005 in words is "one billion, four hundred million, two hundred twenty-one thousand, five".