1422873620 has 24 divisors (see below), whose sum is σ = 3414897024. Its totient is φ = 487842336.

The previous prime is 1422873607. The next prime is 1422873623. The reversal of 1422873620 is 263782241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422873623) 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, 5081552 + ... + 5081831.

It is an arithmetic number, because the mean of its divisors is an integer number (142287376).

Almost surely, 2^1422873620 is an apocalyptic number.

1422873620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422873620 is an abundant number, since it is smaller than the sum of its proper divisors (1992023404).

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

1422873620 is a wasteful number, since it uses less digits than its factorization.

1422873620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163399 (or 10163397 counting only the distinct ones).

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

The square root of 1422873620 is about 37720.9970705972. The cubic root of 1422873620 is about 1124.7485515396.

The spelling of 1422873620 in words is "one billion, four hundred twenty-two million, eight hundred seventy-three thousand, six hundred twenty".