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1001444222 = 25373129419
BaseRepresentation
bin111011101100001…
…101001101111110
32120210101122012202
4323230031031332
54022332203342
6243212231502
733550064312
oct7354151576
92523348182
101001444222
1147431a959
1223b46b592
1312c62465c
1497005b42
155cdb9332
hex3bb0d37e

1001444222 has 16 divisors (see below), whose sum is σ = 1551486960. Its totient is φ = 484540992.

The previous prime is 1001444209. The next prime is 1001444237. The reversal of 1001444222 is 2224441001.

It is a junction number, because it is equal to n+sod(n) for n = 1001444194 and 1001444203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56972 + ... + 72447.

It is an arithmetic number, because the mean of its divisors is an integer number (96967935).

Almost surely, 21001444222 is an apocalyptic number.

1001444222 is a deficient number, since it is larger than the sum of its proper divisors (550042738).

1001444222 is a wasteful number, since it uses less digits than its factorization.

1001444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129547.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1001444222 is about 31645.6035177084. The cubic root of 1001444222 is about 1000.4811757661.

Adding to 1001444222 its reverse (2224441001), we get a palindrome (3225885223).

The spelling of 1001444222 in words is "one billion, one million, four hundred forty-four thousand, two hundred twenty-two".

Divisors: 1 2 53 73 106 146 3869 7738 129419 258838 6859207 9447587 13718414 18895174 500722111 1001444222