425224402 has 4 divisors (see below), whose sum is σ = 637836606. Its totient is φ = 212612200.

The previous prime is 425224381. The next prime is 425224421. The reversal of 425224402 is 204422524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 411318961 + 13905441 = 20281^2 + 3729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106306099 + ... + 106306102.

Almost surely, 2^425224402 is an apocalyptic number.

425224402 is a deficient number, since it is larger than the sum of its proper divisors (212612204).

425224402 is a wasteful number, since it uses less digits than its factorization.

425224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212612203.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 425224402 is about 20620.9699577881. The cubic root of 425224402 is about 751.9796011235.

Adding to 425224402 its reverse (204422524), we get a palindrome (629646926).

The spelling of 425224402 in words is "four hundred twenty-five million, two hundred twenty-four thousand, four hundred two".