1502225402 has 4 divisors (see below), whose sum is σ = 2253338106. Its totient is φ = 751112700.

The previous prime is 1502225401. The next prime is 1502225407. The reversal of 1502225402 is 2045222051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2045222051 = 20051 ⋅102001.

It can be written as a sum of positive squares in only one way, i.e., 803098921 + 699126481 = 28339^2 + 26441^2 .

It is not an unprimeable number, because it can be changed into a prime (1502225401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375556349 + ... + 375556352.

Almost surely, 2^1502225402 is an apocalyptic number.

1502225402 is a deficient number, since it is larger than the sum of its proper divisors (751112704).

1502225402 is an equidigital number, since it uses as much as digits as its factorization.

1502225402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751112703.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1502225402 is about 38758.5526303550. The cubic root of 1502225402 is about 1145.2800626872.

Adding to 1502225402 its reverse (2045222051), we get a palindrome (3547447453).

The spelling of 1502225402 in words is "one billion, five hundred two million, two hundred twenty-five thousand, four hundred two".