1534220402 has 16 divisors (see below), whose sum is σ = 2703661632. Its totient is φ = 643728720.

The previous prime is 1534220399. The next prime is 1534220407. The reversal of 1534220402 is 2040224351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1534220407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681918 + ... + 2682489.

It is an arithmetic number, because the mean of its divisors is an integer number (168978852).

Almost surely, 2^1534220402 is an apocalyptic number.

1534220402 is a deficient number, since it is larger than the sum of its proper divisors (1169441230).

1534220402 is a wasteful number, since it uses less digits than its factorization.

1534220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364433.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1534220402 is about 39169.1256221019. The cubic root of 1534220402 is about 1153.3538895249.

Adding to 1534220402 its reverse (2040224351), we get a palindrome (3574444753).

The spelling of 1534220402 in words is "one billion, five hundred thirty-four million, two hundred twenty thousand, four hundred two".