1401222345 has 32 divisors (see below), whose sum is σ = 2261260800. Its totient is φ = 740914944.

The previous prime is 1401222343. The next prime is 1401222367. The reversal of 1401222345 is 5432221041.

It is not a de Polignac number, because 1401222345 - 2¹ = 1401222343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401222341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963639 + ... + 965091.

It is an arithmetic number, because the mean of its divisors is an integer number (70664400).

Almost surely, 2^1401222345 is an apocalyptic number.

1401222345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1401222345 is a deficient number, since it is larger than the sum of its proper divisors (860038455).

1401222345 is a wasteful number, since it uses less digits than its factorization.

1401222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1401222345 is about 37432.9045760545. The cubic root of 1401222345 is about 1119.0144244767.

Adding to 1401222345 its reverse (5432221041), we get a palindrome (6833443386).

The spelling of 1401222345 in words is "one billion, four hundred one million, two hundred twenty-two thousand, three hundred forty-five".