1427422538 has 16 divisors (see below), whose sum is σ = 2287468320. Its totient is φ = 666054576.

The previous prime is 1427422531. The next prime is 1427422547. The reversal of 1427422538 is 8352247241.

It is a happy number.

It is a super-2 number, since 2×1427422538² = 4075070203980722888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1427422531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277781 + ... + 282872.

It is an arithmetic number, because the mean of its divisors is an integer number (142966770).

Almost surely, 2^1427422538 is an apocalyptic number.

1427422538 is a deficient number, since it is larger than the sum of its proper divisors (860045782).

1427422538 is a wasteful number, since it uses less digits than its factorization.

1427422538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560741.

The product of its digits is 107520, while the sum is 38.

The square root of 1427422538 is about 37781.2458502893. The cubic root of 1427422538 is about 1125.9458811710.

Adding to 1427422538 its reverse (8352247241), we get a palindrome (9779669779).

The spelling of 1427422538 in words is "one billion, four hundred twenty-seven million, four hundred twenty-two thousand, five hundred thirty-eight".