1400212422 has 48 divisors (see below), whose sum is σ = 3524051232. Its totient is φ = 393500160.

The previous prime is 1400212409. The next prime is 1400212439. The reversal of 1400212422 is 2242120041.

1400212422 is a `hidden beast` number, since 1 + 400 + 21 + 242 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1400212395 and 1400212404.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 83403 + ... + 98774.

It is an arithmetic number, because the mean of its divisors is an integer number (73417734).

Almost surely, 2^1400212422 is an apocalyptic number.

1400212422 is an abundant number, since it is smaller than the sum of its proper divisors (2123838810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400212422 is a wasteful number, since it uses less digits than its factorization.

1400212422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182253 (or 182250 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1400212422 is about 37419.4123684485. The cubic root of 1400212422 is about 1118.7455187778.

Adding to 1400212422 its reverse (2242120041), we get a palindrome (3642332463).

The spelling of 1400212422 in words is "one billion, four hundred million, two hundred twelve thousand, four hundred twenty-two".