1402224 has 40 divisors (see below), whose sum is σ = 3666432. Its totient is φ = 461760.

The previous prime is 1402201. The next prime is 1402231. The reversal of 1402224 is 4222041.

It is a congruent number.

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, 6177 + ... + 6399.

2^1402224 is an apocalyptic number.

It is an amenable number.

1402224 is an abundant number, since it is smaller than the sum of its proper divisors (2264208).

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

1402224 is a wasteful number, since it uses less digits than its factorization.

1402224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1402224 is about 1184.1553952079. The cubic root of 1402224 is about 111.9281001113.

Adding to 1402224 its reverse (4222041), we get a palindrome (5624265).

The spelling of 1402224 in words is "one million, four hundred two thousand, two hundred twenty-four".