1400224012 has 24 divisors (see below), whose sum is σ = 2716982352. Its totient is φ = 626030400.

The previous prime is 1400223991. The next prime is 1400224031. The reversal of 1400224012 is 2104220041.

It is a super-2 number, since 2×1400224012² = 3921254567562752288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258163 + ... + 263530.

It is an arithmetic number, because the mean of its divisors is an integer number (113207598).

Almost surely, 2^1400224012 is an apocalyptic number.

It is an amenable number.

1400224012 is a deficient number, since it is larger than the sum of its proper divisors (1316758340).

1400224012 is a wasteful number, since it uses less digits than its factorization.

1400224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521769 (or 521767 counting only the distinct ones).

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

The square root of 1400224012 is about 37419.5672342693. The cubic root of 1400224012 is about 1118.7486055058.

Adding to 1400224012 its reverse (2104220041), we get a palindrome (3504444053).

The spelling of 1400224012 in words is "one billion, four hundred million, two hundred twenty-four thousand, twelve".