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22661038 = 211330519
BaseRepresentation
bin101011001110…
…0011110101110
31120122022002201
41112130132232
521300123123
62125412114
7363421111
oct126343656
946568081
1022661038
1111878634
12770a03a
1349056ca
14301c578
151ec95ad
hex159c7ae

22661038 has 4 divisors (see below), whose sum is σ = 33991560. Its totient is φ = 11330518.

The previous prime is 22661027. The next prime is 22661039. The reversal of 22661038 is 83016622.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22660997 and 22661015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665258 + ... + 5665261.

It is an arithmetic number, because the mean of its divisors is an integer number (8497890).

Almost surely, 222661038 is an apocalyptic number.

22661038 is a deficient number, since it is larger than the sum of its proper divisors (11330522).

22661038 is a wasteful number, since it uses less digits than its factorization.

22661038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330521.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22661038 is about 4760.3611207554. The cubic root of 22661038 is about 282.9827306572.

The spelling of 22661038 in words is "twenty-two million, six hundred sixty-one thousand, thirty-eight".

Divisors: 1 2 11330519 22661038