1422149238 has 36 divisors (see below), whose sum is σ = 3199702740. Its totient is φ = 474045372.

The previous prime is 1422149237. The next prime is 1422149243. The reversal of 1422149238 is 8329412241.

1422149238 is a `hidden beast` number, since 142 + 21 + 492 + 3 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422149237) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41068 + ... + 67311.

Almost surely, 2^1422149238 is an apocalyptic number.

1422149238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1422149238 is an abundant number, since it is smaller than the sum of its proper divisors (1777553502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422149238 is an frugal number, since it uses more digits than its factorization.

1422149238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108405 (or 108384 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1422149238 is about 37711.3940076471. The cubic root of 1422149238 is about 1124.5576500908.

The spelling of 1422149238 in words is "one billion, four hundred twenty-two million, one hundred forty-nine thousand, two hundred thirty-eight".