1422849278 has 16 divisors (see below), whose sum is σ = 2198991696. Its totient is φ = 690171840.

The previous prime is 1422849277. The next prime is 1422849287. The reversal of 1422849278 is 8729482241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422849277) 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, 70976 + ... + 88787.

It is an arithmetic number, because the mean of its divisors is an integer number (137436981).

Almost surely, 2^1422849278 is an apocalyptic number.

1422849278 is a deficient number, since it is larger than the sum of its proper divisors (776142418).

1422849278 is a wasteful number, since it uses less digits than its factorization.

1422849278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159899.

The product of its digits is 516096, while the sum is 47.

The square root of 1422849278 is about 37720.6744107260. The cubic root of 1422849278 is about 1124.7421375745.

The spelling of 1422849278 in words is "one billion, four hundred twenty-two million, eight hundred forty-nine thousand, two hundred seventy-eight".