1422672020669 has 2 divisors, whose sum is σ = 1422672020670. Its totient is φ = 1422672020668.

The previous prime is 1422672020663. The next prime is 1422672020713. The reversal of 1422672020669 is 9660202762241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359940807225 + 62731213444 = 1166165^2 + 250462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422672020669 - 2¹² = 1422672016573 is a prime.

It is a super-2 number, since 2×1422672020669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422672020663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711336010334 + 711336010335.

It is an arithmetic number, because the mean of its divisors is an integer number (711336010335).

Almost surely, 2^{1422672020669} is an apocalyptic number.

It is an amenable number.

1422672020669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422672020669 is an equidigital number, since it uses as much as digits as its factorization.

1422672020669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 1422672020669 in words is "one trillion, four hundred twenty-two billion, six hundred seventy-two million, twenty thousand, six hundred sixty-nine".