1422026557 has 16 divisors (see below), whose sum is σ = 1811341440. Its totient is φ = 1086801408.

The previous prime is 1422026537. The next prime is 1422026707. The reversal of 1422026557 is 7556202241.

It is a de Polignac number, because none of the positive numbers 2^k-1422026557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422026527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312208 + ... + 316729.

It is an arithmetic number, because the mean of its divisors is an integer number (113208840).

Almost surely, 2^1422026557 is an apocalyptic number.

1422026557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1422026557 is a deficient number, since it is larger than the sum of its proper divisors (389314883).

1422026557 is a wasteful number, since it uses less digits than its factorization.

1422026557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628980.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1422026557 is about 37709.7673951988. The cubic root of 1422026557 is about 1124.5253126913.

Adding to 1422026557 its reverse (7556202241), we get a palindrome (8978228798).

The spelling of 1422026557 in words is "one billion, four hundred twenty-two million, twenty-six thousand, five hundred fifty-seven".