1422016551 has 12 divisors (see below), whose sum is σ = 2057177928. Its totient is φ = 946555344.

The previous prime is 1422016549. The next prime is 1422016619. The reversal of 1422016551 is 1556102241.

1422016551 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 0 + 1 + 655 + 1 = 666.

It is not a de Polignac number, because 1422016551 - 2¹ = 1422016549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422016451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115105 + ... + 126858.

It is an arithmetic number, because the mean of its divisors is an integer number (171431494).

Almost surely, 2^1422016551 is an apocalyptic number.

1422016551 is a deficient number, since it is larger than the sum of its proper divisors (635161377).

1422016551 is a wasteful number, since it uses less digits than its factorization.

1422016551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242622 (or 242619 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1422016551 is about 37709.6347237679. The cubic root of 1422016551 is about 1124.5226751347.

Adding to 1422016551 its reverse (1556102241), we get a palindrome (2978118792).

The spelling of 1422016551 in words is "one billion, four hundred twenty-two million, sixteen thousand, five hundred fifty-one".