1402220024 has 64 divisors (see below), whose sum is σ = 2898339840. Its totient is φ = 633790080.

The previous prime is 1402220023. The next prime is 1402220033. The reversal of 1402220024 is 4200222041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1402219984 and 1402220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242414 + ... + 248130.

It is an arithmetic number, because the mean of its divisors is an integer number (45286560).

Almost surely, 2^1402220024 is an apocalyptic number.

It is an amenable number.

1402220024 is an abundant number, since it is smaller than the sum of its proper divisors (1496119816).

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

1402220024 is a wasteful number, since it uses less digits than its factorization.

1402220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5816 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1402220024 is about 37446.2284349172. The cubic root of 1402220024 is about 1119.2799432065.

Adding to 1402220024 its reverse (4200222041), we get a palindrome (5602442065).

The spelling of 1402220024 in words is "one billion, four hundred two million, two hundred twenty thousand, twenty-four".