1400214220 has 12 divisors (see below), whose sum is σ = 2940449904. Its totient is φ = 560085680.

The previous prime is 1400214181. The next prime is 1400214227. The reversal of 1400214220 is 224120041.

It is a junction number, because it is equal to n+sod(n) for n = 1400214194 and 1400214203.

It is not an unprimeable number, because it can be changed into a prime (1400214227) 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, 35005336 + ... + 35005375.

It is an arithmetic number, because the mean of its divisors is an integer number (245037492).

Almost surely, 2^1400214220 is an apocalyptic number.

1400214220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400214220 is an abundant number, since it is smaller than the sum of its proper divisors (1540235684).

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

1400214220 is a wasteful number, since it uses less digits than its factorization.

1400214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70010720 (or 70010718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1400214220 is about 37419.4363934039. The cubic root of 1400214220 is about 1118.7459976345.

Adding to 1400214220 its reverse (224120041), we get a palindrome (1624334261).

The spelling of 1400214220 in words is "one billion, four hundred million, two hundred fourteen thousand, two hundred twenty".