1400007622 has 16 divisors (see below), whose sum is σ = 2275962192. Its totient is φ = 642039840.

The previous prime is 1400007599. The next prime is 1400007641. The reversal of 1400007622 is 2267000041.

It is a junction number, because it is equal to n+sod(n) for n = 1400007593 and 1400007602.

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 7 ways as a sum of consecutive naturals, for example, 167404 + ... + 175567.

It is an arithmetic number, because the mean of its divisors is an integer number (142247637).

Almost surely, 2^1400007622 is an apocalyptic number.

1400007622 is a deficient number, since it is larger than the sum of its proper divisors (875954570).

1400007622 is a wasteful number, since it uses less digits than its factorization.

1400007622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343143.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1400007622 is about 37416.6757208601. The cubic root of 1400007622 is about 1118.6909722318.

Adding to 1400007622 its reverse (2267000041), we get a palindrome (3667007663).

The spelling of 1400007622 in words is "one billion, four hundred million, seven thousand, six hundred twenty-two".