144022270 has 64 divisors (see below), whose sum is σ = 305280000. Its totient is φ = 48898080.

The previous prime is 144022259. The next prime is 144022273. The reversal of 144022270 is 72220441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144022273) 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, 682465 + ... + 682675.

It is an arithmetic number, because the mean of its divisors is an integer number (4770000).

Almost surely, 2^144022270 is an apocalyptic number.

144022270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144022270 is an abundant number, since it is smaller than the sum of its proper divisors (161257730).

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

144022270 is a wasteful number, since it uses less digits than its factorization.

144022270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 144022270 is about 12000.9278807932. The cubic root of 144022270 is about 524.1752977781.

The spelling of 144022270 in words is "one hundred forty-four million, twenty-two thousand, two hundred seventy".