281828022 has 16 divisors (see below), whose sum is σ = 644178432. Its totient is φ = 80522280.

The previous prime is 281827981. The next prime is 281828047. The reversal of 281828022 is 220828182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355054 + ... + 3355137.

It is an arithmetic number, because the mean of its divisors is an integer number (40261152).

Almost surely, 2^281828022 is an apocalyptic number.

281828022 is an abundant number, since it is smaller than the sum of its proper divisors (362350410).

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

281828022 is a wasteful number, since it uses less digits than its factorization.

281828022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710203.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 281828022 is about 16787.7342723787. The cubic root of 281828022 is about 655.6338847301.

The spelling of 281828022 in words is "two hundred eighty-one million, eight hundred twenty-eight thousand, twenty-two".