1422273655 has 64 divisors (see below), whose sum is σ = 2003678208. Its totient is φ = 959016960.

The previous prime is 1422273653. The next prime is 1422273659. The reversal of 1422273655 is 5563722241.

It is not a de Polignac number, because 1422273655 - 2¹ = 1422273653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422273653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8221149 + ... + 8221321.

It is an arithmetic number, because the mean of its divisors is an integer number (31307472).

Almost surely, 2^1422273655 is an apocalyptic number.

1422273655 is a deficient number, since it is larger than the sum of its proper divisors (581404553).

1422273655 is a wasteful number, since it uses less digits than its factorization.

1422273655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its digits is 100800, while the sum is 37.

The square root of 1422273655 is about 37713.0435658540. The cubic root of 1422273655 is about 1124.5904431821.

Adding to 1422273655 its reverse (5563722241), we get a palindrome (6985995896).

The spelling of 1422273655 in words is "one billion, four hundred twenty-two million, two hundred seventy-three thousand, six hundred fifty-five".