1422607238 has 64 divisors (see below), whose sum is σ = 2453794560. Its totient is φ = 613896192.

The previous prime is 1422607231. The next prime is 1422607259. The reversal of 1422607238 is 8327062241.

It is a super-2 number, since 2×1422607238² = 4047622707219977288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422607198 and 1422607207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422607231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3876131 + ... + 3876497.

It is an arithmetic number, because the mean of its divisors is an integer number (38340540).

Almost surely, 2^1422607238 is an apocalyptic number.

1422607238 is a deficient number, since it is larger than the sum of its proper divisors (1031187322).

1422607238 is a wasteful number, since it uses less digits than its factorization.

1422607238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1422607238 is about 37717.4659541173. The cubic root of 1422607238 is about 1124.6783575642.

Adding to 1422607238 its reverse (8327062241), we get a palindrome (9749669479).

The spelling of 1422607238 in words is "one billion, four hundred twenty-two million, six hundred seven thousand, two hundred thirty-eight".