1400422215 has 16 divisors (see below), whose sum is σ = 2241144288. Its totient is φ = 746735616.

The previous prime is 1400422187. The next prime is 1400422217. The reversal of 1400422215 is 5122240041.

It is not a de Polignac number, because 1400422215 - 2⁸ = 1400421959 is a prime.

It is a super-2 number, since 2×1400422215² = 3922364760531012450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400422191 and 1400422200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400422217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119707 + ... + 130883.

It is an arithmetic number, because the mean of its divisors is an integer number (140071518).

Almost surely, 2^1400422215 is an apocalyptic number.

1400422215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1400422215 is a deficient number, since it is larger than the sum of its proper divisors (840722073).

1400422215 is a wasteful number, since it uses less digits than its factorization.

1400422215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19538.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1400422215 is about 37422.2155276782. The cubic root of 1400422215 is about 1118.8013896475.

Adding to 1400422215 its reverse (5122240041), we get a palindrome (6522662256).

The spelling of 1400422215 in words is "one billion, four hundred million, four hundred twenty-two thousand, two hundred fifteen".