451122002 has 4 divisors (see below), whose sum is σ = 676683006. Its totient is φ = 225561000.

The previous prime is 451121989. The next prime is 451122011. The reversal of 451122002 is 200221154.

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., 248031001 + 203091001 = 15749^2 + 14251^2 .

It is a super-2 number, since 2×451122002² = 407022121376976008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112780499 + ... + 112780502.

Almost surely, 2^451122002 is an apocalyptic number.

451122002 is a deficient number, since it is larger than the sum of its proper divisors (225561004).

451122002 is a wasteful number, since it uses less digits than its factorization.

451122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225561003.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 451122002 is about 21239.6328122687. The cubic root of 451122002 is about 766.9457932178.

Adding to 451122002 its reverse (200221154), we get a palindrome (651343156).

The spelling of 451122002 in words is "four hundred fifty-one million, one hundred twenty-two thousand, two".