1422200451 has 32 divisors (see below), whose sum is σ = 2232230400. Its totient is φ = 805028448.

The previous prime is 1422200449. The next prime is 1422200459. The reversal of 1422200451 is 1540022241.

It is not a de Polignac number, because 1422200451 - 2¹ = 1422200449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1422200459) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 103645 + ... + 116561.

It is an arithmetic number, because the mean of its divisors is an integer number (69757200).

Almost surely, 2^1422200451 is an apocalyptic number.

1422200451 is a deficient number, since it is larger than the sum of its proper divisors (810029949).

1422200451 is a wasteful number, since it uses less digits than its factorization.

1422200451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048 (or 13034 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1422200451 is about 37712.0730138241. The cubic root of 1422200451 is about 1124.5711487397.

Adding to 1422200451 its reverse (1540022241), we get a palindrome (2962222692).

The spelling of 1422200451 in words is "one billion, four hundred twenty-two million, two hundred thousand, four hundred fifty-one".