1405222106 has 8 divisors (see below), whose sum is σ = 2115669780. Its totient is φ = 699998848.

The previous prime is 1405222103. The next prime is 1405222111. The reversal of 1405222106 is 6012225041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1402128025 + 3094081 = 37445^2 + 1759^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1405222103) 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, 1305431 + ... + 1306506.

Almost surely, 2^1405222106 is an apocalyptic number.

1405222106 is a deficient number, since it is larger than the sum of its proper divisors (710447674).

1405222106 is a wasteful number, since it uses less digits than its factorization.

1405222106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612208.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1405222106 is about 37486.2922412980. The cubic root of 1405222106 is about 1120.0781477147.

Adding to 1405222106 its reverse (6012225041), we get a palindrome (7417447147).

The spelling of 1405222106 in words is "one billion, four hundred five million, two hundred twenty-two thousand, one hundred six".