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1022922 = 23319997
BaseRepresentation
bin11111001101111001010
31220222012000
43321233022
5230213142
633531430
711460165
oct3715712
91828160
101022922
1163959a
12413b76
1329a7a4
1515314c
hexf9bca

1022922 has 32 divisors (see below), whose sum is σ = 2395200. Its totient is φ = 322704.

The previous prime is 1022911. The next prime is 1022929. The reversal of 1022922 is 2292201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022895 and 1022904.

It is not an unprimeable number, because it can be changed into a prime (1022929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (74850).

21022922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197600).

1022922 is an abundant number, since it is smaller than the sum of its proper divisors (1372278).

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

1022922 is a wasteful number, since it uses less digits than its factorization.

1022922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1022922 is about 1011.3960648529. The cubic root of 1022922 is about 100.7583019141.

The spelling of 1022922 in words is "one million, twenty-two thousand, nine hundred twenty-two".