1422720056 has 8 divisors (see below), whose sum is σ = 2667600120. Its totient is φ = 711360024.

The previous prime is 1422720029. The next prime is 1422720067. The reversal of 1422720056 is 6500272241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88919996 + ... + 88920011.

It is an arithmetic number, because the mean of its divisors is an integer number (333450015).

Almost surely, 2^1422720056 is an apocalyptic number.

It is an amenable number.

1422720056 is a deficient number, since it is larger than the sum of its proper divisors (1244880064).

1422720056 is a wasteful number, since it uses less digits than its factorization.

1422720056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177840013 (or 177840009 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1422720056 is about 37718.9614915363. The cubic root of 1422720056 is about 1124.7080871587.

Adding to 1422720056 its reverse (6500272241), we get a palindrome (7922992297).

The spelling of 1422720056 in words is "one billion, four hundred twenty-two million, seven hundred twenty thousand, fifty-six".