1422720007 has 2 divisors, whose sum is σ = 1422720008. Its totient is φ = 1422720006.

The previous prime is 1422720001. The next prime is 1422720017. The reversal of 1422720007 is 7000272241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7000272241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422720007 - 2¹⁵ = 1422687239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422720001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711360003 + 711360004.

It is an arithmetic number, because the mean of its divisors is an integer number (711360004).

Almost surely, 2^1422720007 is an apocalyptic number.

1422720007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422720007 is an equidigital number, since it uses as much as digits as its factorization.

1422720007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1422720007 is about 37718.9608419956. The cubic root of 1422720007 is about 1124.7080742466.

Adding to 1422720007 its reverse (7000272241), we get a palindrome (8422992248).

The spelling of 1422720007 in words is "one billion, four hundred twenty-two million, seven hundred twenty thousand, seven".